/* ============================================
   2FA WebApp — Premium UI with Light/Dark Theme
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

/* =============================================
   DESIGN TOKENS — LIGHT THEME (Default)
   ============================================= */
:root {
    /* Page Background */
    --bg-page: linear-gradient(145deg, #f0f7ff 0%, #e6f0fb 35%, #eef5ff 65%, #f0fafb 100%);
    --bg-header: rgba(255, 255, 255, 0.82);
    --bg-modal: rgba(255, 255, 255, 0.96);
    --bg-modal-footer: rgba(248, 250, 252, 0.95);
    --bg-qr: #ffffff;
    --bg-noscript: rgba(255, 247, 237, 0.92);
    --bg-disabled: rgba(148, 163, 184, 0.12);
    --bg-select-option: #ffffff;

    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-bg-hover: rgba(255, 255, 255, 0.88);
    --glass-bg-subtle: rgba(255, 255, 255, 0.55);
    --glass-bg-strong: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(255, 255, 255, 0.85);
    --glass-border-hover: rgba(59, 130, 246, 0.30);
    --glass-blur: blur(20px);
    --glass-shadow: 0 4px 24px rgba(59, 130, 246, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);

    /* Accent — Blue/Cyan */
    --accent-primary: #3b82f6;
    --accent-primary-hover: #2563eb;
    --accent-primary-light: #60a5fa;
    --accent-secondary: #06b6d4;
    --accent-secondary-hover: #0891b2;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
    --accent-gradient-hover: linear-gradient(135deg, #2563eb, #0891b2);

    /* Semantic */
    --success: #10b981;
    --success-hover: #059669;
    --success-light: #34d399;
    --success-text: #047857;
    --success-bg: rgba(16, 185, 129, 0.08);
    --success-border: rgba(16, 185, 129, 0.20);
    --success-glow: 0 4px 14px rgba(16, 185, 129, 0.20);

    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-light: #f87171;
    --danger-text: #dc2626;
    --danger-bg: rgba(239, 68, 68, 0.07);
    --danger-bg-strong: rgba(239, 68, 68, 0.12);
    --danger-border: rgba(239, 68, 68, 0.18);
    --danger-border-strong: rgba(239, 68, 68, 0.30);
    --danger-glow: 0 4px 14px rgba(239, 68, 68, 0.20);
    --danger-glow-sm: 0 2px 8px rgba(239, 68, 68, 0.12);

    --warning: #f59e0b;
    --warning-hover: #d97706;
    --warning-light: #fbbf24;
    --warning-glow: 0 4px 14px rgba(245, 158, 11, 0.20);
    --warning-gradient: linear-gradient(135deg, #f59e0b, #d97706);
    --warning-gradient-hover: linear-gradient(135deg, #fbbf24, #f59e0b);
    --warning-border-noscript: rgba(245, 158, 11, 0.30);

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-heading: #0f172a;
    --text-on-accent: #ffffff;
    --text-dark: #1e293b;
    --text-link: var(--accent-primary);

    /* Accent Surfaces */
    --accent-primary-bg: rgba(59, 130, 246, 0.05);
    --accent-primary-bg-strong: rgba(59, 130, 246, 0.10);
    --accent-primary-border: rgba(59, 130, 246, 0.12);
    --accent-primary-border-strong: rgba(59, 130, 246, 0.22);
    --accent-primary-focus: rgba(59, 130, 246, 0.40);
    --accent-primary-focus-ring: rgba(59, 130, 246, 0.10);
    --accent-primary-glow-sm: 0 2px 10px rgba(59, 130, 246, 0.12);
    --accent-primary-glow-md: 0 4px 16px rgba(59, 130, 246, 0.16);
    --accent-primary-glow-lg: 0 6px 22px rgba(59, 130, 246, 0.20);
    --accent-primary-glow-xl: 0 8px 28px rgba(59, 130, 246, 0.24);
    --accent-primary-glow-modal: 0 10px 35px rgba(59, 130, 246, 0.10);
    --accent-primary-spinner: rgba(59, 130, 246, 0.18);
    --accent-table-hover: rgba(59, 130, 246, 0.04);
    --accent-table-border: rgba(59, 130, 246, 0.12);

    --accent-secondary-bg: rgba(6, 182, 212, 0.05);
    --accent-secondary-bg-hover: rgba(6, 182, 212, 0.08);
    --accent-secondary-bg-strong: rgba(6, 182, 212, 0.12);
    --accent-secondary-border: rgba(6, 182, 212, 0.10);
    --accent-secondary-border-md: rgba(6, 182, 212, 0.15);
    --accent-secondary-border-strong: rgba(6, 182, 212, 0.22);
    --accent-secondary-border-xl: rgba(6, 182, 212, 0.35);
    --accent-secondary-glow: 0 2px 10px rgba(6, 182, 212, 0.12);
    --accent-secondary-glow-lg: 0 4px 16px rgba(6, 182, 212, 0.10);

    /* Surfaces */
    --surface-card: rgba(255, 255, 255, 0.68);
    --surface-input: rgba(255, 255, 255, 0.80);
    --surface-input-focus: rgba(255, 255, 255, 1);
    --surface-overlay: rgba(15, 23, 42, 0.30);

    /* Borders */
    --border-default: rgba(226, 232, 240, 0.80);
    --border-input: rgba(203, 213, 225, 0.65);
    --border-input-focus: var(--accent-primary-focus);

    /* Radius */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 16px rgba(59, 130, 246, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 40px rgba(59, 130, 246, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
    --shadow-header: 0 1px 12px rgba(59, 130, 246, 0.06);
    --shadow-glow: var(--accent-primary-glow-md);
    --shadow-glow-hover: var(--accent-primary-glow-xl);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s ease;
    --transition-theme: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Button Gradients */
    --success-gradient: linear-gradient(135deg, var(--success), var(--success-hover));
    --success-gradient-hover: linear-gradient(135deg, var(--success-light), var(--success));
    --danger-gradient: linear-gradient(135deg, var(--danger), var(--danger-hover));
    --danger-gradient-hover: linear-gradient(135deg, var(--danger-light), var(--danger));

    /* Theme Toggle */
    --toggle-bg: rgba(59, 130, 246, 0.08);
    --toggle-border: rgba(59, 130, 246, 0.15);
    --toggle-icon-color: var(--accent-primary);
}

/* =============================================
   DESIGN TOKENS — DARK THEME
   ============================================= */
[data-theme="dark"] {
    --bg-page: linear-gradient(145deg, #0a0f1a 0%, #0f1729 35%, #0c1830 65%, #111827 100%);
    --bg-header: rgba(10, 15, 30, 0.88);
    --bg-modal: rgba(15, 23, 42, 0.96);
    --bg-modal-footer: rgba(10, 15, 30, 0.92);
    --bg-qr: #ffffff;
    --bg-noscript: rgba(245, 158, 11, 0.08);
    --bg-disabled: rgba(148, 163, 184, 0.10);
    --bg-select-option: #1e293b;

    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.09);
    --glass-bg-subtle: rgba(255, 255, 255, 0.03);
    --glass-bg-strong: rgba(255, 255, 255, 0.11);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(96, 165, 250, 0.35);
    --glass-shadow: 0 4px 24px rgba(0, 0, 0, 0.35), 0 1px 3px rgba(0, 0, 0, 0.20);

    --accent-primary: #60a5fa;
    --accent-primary-hover: #93c5fd;
    --accent-primary-light: #bfdbfe;
    --accent-secondary: #22d3ee;
    --accent-secondary-hover: #67e8f9;
    --accent-gradient: linear-gradient(135deg, #60a5fa, #22d3ee);
    --accent-gradient-hover: linear-gradient(135deg, #93c5fd, #67e8f9);

    --success-text: #6ee7b7;
    --success-bg: rgba(16, 185, 129, 0.12);
    --success-border: rgba(16, 185, 129, 0.25);

    --danger-text: #fca5a5;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --danger-bg-strong: rgba(239, 68, 68, 0.20);
    --danger-border: rgba(239, 68, 68, 0.25);
    --danger-border-strong: rgba(239, 68, 68, 0.40);

    --text-primary: rgba(255, 255, 255, 0.92);
    --text-secondary: rgba(255, 255, 255, 0.62);
    --text-muted: rgba(255, 255, 255, 0.38);
    --text-heading: #ffffff;
    --text-dark: #ffffff;
    --text-link: var(--accent-primary);

    --accent-primary-bg: rgba(96, 165, 250, 0.08);
    --accent-primary-bg-strong: rgba(96, 165, 250, 0.14);
    --accent-primary-border: rgba(96, 165, 250, 0.15);
    --accent-primary-border-strong: rgba(96, 165, 250, 0.28);
    --accent-primary-focus: rgba(96, 165, 250, 0.50);
    --accent-primary-focus-ring: rgba(96, 165, 250, 0.15);
    --accent-primary-glow-sm: 0 2px 12px rgba(96, 165, 250, 0.15);
    --accent-primary-glow-md: 0 4px 18px rgba(96, 165, 250, 0.22);
    --accent-primary-glow-lg: 0 6px 28px rgba(96, 165, 250, 0.28);
    --accent-primary-glow-xl: 0 8px 35px rgba(96, 165, 250, 0.32);
    --accent-primary-glow-modal: 0 10px 40px rgba(96, 165, 250, 0.15);
    --accent-primary-spinner: rgba(96, 165, 250, 0.20);
    --accent-table-hover: rgba(96, 165, 250, 0.06);
    --accent-table-border: rgba(96, 165, 250, 0.20);

    --accent-secondary-bg: rgba(34, 211, 238, 0.06);
    --accent-secondary-bg-hover: rgba(34, 211, 238, 0.10);
    --accent-secondary-bg-strong: rgba(34, 211, 238, 0.16);
    --accent-secondary-border: rgba(34, 211, 238, 0.12);
    --accent-secondary-border-md: rgba(34, 211, 238, 0.18);
    --accent-secondary-border-strong: rgba(34, 211, 238, 0.28);
    --accent-secondary-border-xl: rgba(34, 211, 238, 0.45);
    --accent-secondary-glow: 0 2px 12px rgba(34, 211, 238, 0.15);
    --accent-secondary-glow-lg: 0 4px 18px rgba(34, 211, 238, 0.15);

    --surface-card: rgba(255, 255, 255, 0.04);
    --surface-input: rgba(255, 255, 255, 0.06);
    --surface-input-focus: rgba(255, 255, 255, 0.10);
    --surface-overlay: rgba(0, 0, 0, 0.55);

    --border-default: rgba(255, 255, 255, 0.08);
    --border-input: rgba(255, 255, 255, 0.12);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.20);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.30);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.40);
    --shadow-header: 0 1px 12px rgba(0, 0, 0, 0.30);

    --toggle-bg: rgba(96, 165, 250, 0.10);
    --toggle-border: rgba(96, 165, 250, 0.20);
    --toggle-icon-color: var(--accent-primary);
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: var(--accent-primary-glow-sm);
    }

    50% {
        box-shadow: var(--accent-primary-glow-lg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

@keyframes sk-bouncedelay {

    0%,
    80%,
    100% {
        transform: scale(0);
        opacity: 0.3;
    }

    40% {
        transform: scale(1.0);
        opacity: 1;
    }
}

/* =============================================
   RESET & BASE
   ============================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-page);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background var(--transition-theme), color var(--transition-theme);
}

/* Theme transition for major elements */
body,
header,
footer,
.container,
.check-container,
.login-container,
.register-container,
.modal-content,
.tfa-card,
.redirect-container,
input,
textarea,
select,
button,
.button,
table {
    transition: background var(--transition-theme),
        color var(--transition-theme),
        border-color var(--transition-theme),
        box-shadow var(--transition-theme);
}

/* =============================================
   LAYOUT CONTAINERS
   ============================================= */
.container {
    max-width: none;
    width: auto;
    margin: 28px 20px;
    padding: 28px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    flex-grow: 1;
    animation: fadeInUp 0.5s ease-out;
}

.check-container {
    max-width: 660px;
    margin: 80px auto;
    padding: 40px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    text-align: center;
    animation: fadeInUp 0.5s ease-out;
}

/* =============================================
   HEADER
   ============================================= */
header {
    background: var(--bg-header);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    color: var(--text-primary);
    padding: 12px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-header);
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    margin: 0;
    font-size: 1.3em;
    font-weight: 800;
    border-bottom: none;
    padding-bottom: 0;
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5em;
    cursor: pointer;
    padding: 6px;
    transition: color 0.2s;
}
.menu-toggle:hover {
    color: var(--accent-primary);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-controls a,
.header-controls button,
.header-controls span {
    color: var(--text-secondary);
    margin-left: 0;
    font-size: 0.87em;
}

.header-controls span {
    font-weight: 600;
    color: var(--text-primary);
}

.header-controls a.nav-link {
    text-decoration: none;
    padding: 6px 15px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-default);
    background: var(--glass-bg-subtle);
    transition: all var(--transition-base);
    color: var(--text-secondary);
    font-weight: 500;
}

.header-controls a.nav-link:hover {
    background: var(--glass-bg-strong);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.header-controls a.nav-link-primary {
    display: inline-flex;
    align-items: center;
    height: 38px;
    background: var(--accent-primary-bg);
    border: 1px solid var(--accent-primary-border);
    color: var(--accent-primary);
    padding: 0 16px;
}

.header-controls a.nav-link-primary:hover {
    background: var(--accent-primary-bg-strong);
    border-color: var(--accent-primary);
    color: var(--accent-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--accent-primary-glow-sm);
}

.header-controls a.nav-link-primary i {
    margin-right: 6px;
    font-size: 0.9em;
}

.header-controls button#logout-button {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
    padding: 6px 15px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.84em;
    font-weight: 600;
    transition: all var(--transition-base);
}

.header-controls button#logout-button:hover {
    background: var(--danger-bg-strong);
    border-color: var(--danger-border-strong);
    color: var(--danger);
    transform: translateY(-1px);
}

/* =============================================
   THEME TOGGLE
   ============================================= */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--toggle-bg);
    border: 1px solid var(--toggle-border);
    color: var(--toggle-icon-color);
    cursor: pointer;
    font-size: 1.15em;
    transition: all var(--transition-base);
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--accent-primary-bg-strong);
    border-color: var(--accent-primary);
    box-shadow: var(--accent-primary-glow-sm);
    transform: scale(1.08);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

/* Light mode: show moon (switch to dark) */
:root:not([data-theme="dark"]) .theme-toggle .icon-moon,
html:not([data-theme="dark"]) .theme-toggle .icon-moon {
    display: inline;
}

/* Dark mode: show sun (switch to light) */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: inline;
}

/* Standalone toggle for pages without header */
.theme-toggle-standalone {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 200;
}

/* =============================================
   FOOTER
   ============================================= */
footer {
    text-align: center;
    margin-top: auto;
    padding: 18px 15px;
    color: var(--text-muted);
    font-size: 0.84em;
    background: transparent;
    border-top: 1px solid var(--border-default);
    width: 100%;
}

footer p {
    color: var(--text-muted);
    margin-bottom: 0;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 0.8em;
    color: var(--text-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container h1,
.check-container h1,
.register-container h1,
.login-container h1 {
    font-size: 1.85em;
    text-align: center;
    margin-bottom: 1.2em;
    border-bottom: none;
    padding-bottom: 0;
    font-weight: 800;
}

.container h2,
.check-container h2 {
    font-size: 1.25em;
    border-bottom: 1px solid var(--border-default);
    padding-bottom: 0.4em;
    margin-bottom: 1em;
    font-weight: 700;
}

p {
    margin-bottom: 1.1em;
    color: var(--text-secondary);
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-primary-hover);
}

/* =============================================
   FORM ELEMENTS
   ============================================= */
.form-group {
    margin-bottom: 1.3em;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.87em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
textarea,
select {
    display: block;
    width: 100%;
    padding: 11px 15px;
    font-size: 0.95rem;
    font-family: inherit;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--surface-input);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    background: var(--surface-input-focus);
    border-color: var(--border-input-focus);
    box-shadow: 0 0 0 3px var(--accent-primary-focus-ring), var(--shadow-glow);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select option {
    background: var(--bg-select-option);
    color: var(--text-primary);
}

textarea {
    min-height: 80px;
    resize: vertical;
}

small {
    font-size: 0.82em;
    color: var(--text-muted);
    margin-top: 6px;
    display: block;
}

/* =============================================
   BUTTONS
   ============================================= */
button,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    line-height: 1.5;
    color: var(--text-on-accent);
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background: var(--accent-gradient);
    border: none;
    padding: 10px 22px;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

button:hover,
.button:hover {
    background: var(--accent-gradient-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-hover);
}

button:active,
.button:active {
    transform: translateY(0);
}

button:disabled {
    background: var(--bg-disabled);
    color: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--border-default);
}

.button-success {
    background: var(--success-gradient);
}

.button-success:hover {
    background: var(--success-gradient-hover);
    box-shadow: var(--success-glow);
}

.button-danger {
    background: var(--danger-gradient);
}

.button-danger:hover {
    background: var(--danger-gradient-hover);
    box-shadow: var(--danger-glow);
}

.button-warning {
    background: var(--warning-gradient);
    color: var(--text-dark);
}

.button-warning:hover {
    background: var(--warning-gradient-hover);
    box-shadow: var(--warning-glow);
    color: var(--text-dark);
}

.cancel-button,
.button-secondary {
    background: var(--glass-bg-subtle);
    border: 1px solid var(--border-input);
    color: var(--text-secondary);
}

.cancel-button:hover,
.button-secondary:hover {
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-hover);
    color: var(--text-primary);
    box-shadow: none;
}

.button-small {
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.button-outline {
    background: var(--glass-bg-subtle);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    text-shadow: none;
}

.button-outline:hover {
    background: var(--accent-primary-bg-strong);
    color: var(--accent-primary-hover);
    border-color: var(--accent-primary-hover);
    box-shadow: var(--accent-primary-glow-sm);
}

/* =============================================
   LOADING & REDIRECT
   ============================================= */
.loading-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px;
    text-align: center;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    flex-grow: 1;
}

.redirect-container {
    text-align: center;
    padding: 44px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    max-width: 420px;
    width: calc(100% - 40px);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: fadeInUp 0.5s ease-out;
}

.redirect-container .spinner {
    width: auto;
    height: auto;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 26px auto;
    animation: none;
}

.redirect-container .spinner>div {
    width: 10px;
    height: 10px;
    margin: 0 5px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: inline-block;
    animation: sk-bouncedelay 1.4s infinite ease-in-out both;
}

.redirect-container .spinner .dot1 {
    animation-delay: -0.32s;
}

.redirect-container .spinner .dot2 {
    animation-delay: -0.16s;
}

.redirect-container .spinner .dot3 {
    animation-delay: 0s;
}

.redirect-container .message {
    font-size: 1.05em;
    color: var(--text-primary);
    margin-bottom: 14px;
    font-weight: 500;
}

.redirect-container .fallback {
    font-size: 0.88em;
    color: var(--text-muted);
}

.redirect-container .fallback a {
    color: var(--accent-primary);
    font-weight: 600;
}

.redirect-container .fallback a:hover {
    color: var(--accent-primary-hover);
}

noscript .redirect-container {
    border-color: var(--warning-border-noscript);
    background: var(--bg-noscript);
}

noscript .redirect-container .spinner {
    display: none;
}

noscript .redirect-container p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* Generic spinner (for loading pages) */
.spinner {
    width: 46px;
    height: 46px;
    border: 3px solid var(--accent-primary-spinner);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 22px;
}

#loading-message {
    font-size: 1.05em;
    color: var(--text-secondary);
    font-weight: 500;
}

.loading-container .error-message {
    color: var(--danger);
    font-weight: 600;
    margin-top: 15px;
}

noscript .container {
    margin: 40px auto;
    text-align: center;
    border: 1px solid var(--warning-border-noscript);
    background: var(--bg-noscript);
    color: var(--warning);
    max-width: 600px;
}

noscript h1 {
    color: var(--warning-hover);
    font-size: 1.5em;
    margin-bottom: 15px;
}

/* =============================================
   LOGIN & REGISTER
   ============================================= */
.register-container,
.login-container {
    margin: 0 auto;
    padding: 40px 38px 34px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease-out;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.register-container {
    max-width: 480px;
    width: calc(100% - 40px);
}

.login-container {
    max-width: 420px;
    width: calc(100% - 40px);
}

.login-container::before {
    content: '🛡️';
    display: block;
    text-align: center;
    font-size: 2.8em;
    margin-bottom: 2px;
    animation: float 3s ease-in-out infinite;
}

.register-container h1,
.login-container h1 {
    font-size: 1.7em;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.register-container .form-group,
.login-container .form-group {
    margin-bottom: 1.1em;
}

.register-container .login-button,
.login-container .login-button,
.register-container .register-button {
    width: 100%;
    padding: 12px 20px;
    font-size: 1.02em;
    margin-top: 8px;
    border-radius: var(--radius-md);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.register-container #login-message.error-message,
.login-container #login-message.error-message {
    color: var(--danger-text);
    font-size: 0.9em;
    text-align: center;
    min-height: 1.3em;
    margin-bottom: 10px;
    font-weight: 500;
}

.error-message {
    color: var(--danger-text);
}

.success-message {
    color: var(--success-text);
}

.register-container .extra-links,
.login-container .extra-links {
    margin-top: 22px;
    text-align: center;
    font-size: 0.9em;
    color: var(--text-muted);
}

.register-container .extra-links a,
.login-container .extra-links a {
    color: var(--accent-primary);
    transition: color var(--transition-fast);
}

.register-container .extra-links a:hover,
.login-container .extra-links a:hover {
    color: var(--accent-primary-hover);
}

/* =============================================
   TABLE
   ============================================= */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--glass-bg-subtle);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    overflow: hidden;
}

th,
td {
    border: none;
    border-bottom: 1px solid var(--border-default);
    padding: 12px 16px;
    text-align: left;
    vertical-align: middle;
}

thead th {
    background: var(--accent-primary-bg);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.76em;
    letter-spacing: 0.06em;
    border-bottom-width: 2px;
    border-bottom-color: var(--accent-table-border);
}

tbody tr {
    transition: background-color var(--transition-fast);
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:nth-of-type(odd) {
    background: var(--accent-primary-bg);
}

tbody tr:hover {
    background: var(--accent-table-hover);
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
}

/* =============================================
   MODAL
   ============================================= */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
    background: var(--surface-overlay);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal.show {
    display: block;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background: var(--bg-modal);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    outline: 0;
    max-width: 540px;
    margin: 50px auto;
    box-shadow: var(--shadow-lg), var(--accent-primary-glow-modal);
    animation: fadeInUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-default);
}

.modal-header .close-button {
    padding: 8px;
    margin: -8px -8px -8px auto;
    background: transparent;
    border: 0;
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.modal-header .close-button:hover {
    color: var(--text-primary);
    background: var(--glass-bg-subtle);
}

.modal-title {
    margin-bottom: 0;
    line-height: 1.4;
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text-heading);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 22px;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    flex-shrink: 0;
    align-items: center;
    justify-content: flex-end;
    padding: 14px 22px;
    border-top: 1px solid var(--border-default);
    background: var(--bg-modal-footer);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
    gap: 10px;
}

.modal #modal-message {
    text-align: left;
    margin-top: 10px;
    min-height: 1.2em;
    font-size: 0.9em;
    font-weight: 500;
}

.modal #modal-message.error-message {
    color: var(--danger-text);
}

.modal #modal-message.success-message {
    color: var(--success-text);
}

/* =============================================
   TOOLBAR (my-2fa.html)
   ============================================= */
.toolbar {
    display: flex;
    gap: 14px;
    margin-bottom: 22px;
    align-items: center;
    flex-wrap: wrap;
}

.toolbar input[type="search"] {
    flex-grow: 1;
    margin-bottom: 0;
    min-width: 200px;
}

.toolbar button {
    flex-shrink: 0;
    width: auto;
}

/* =============================================
   2FA CARD GRID
   ============================================= */
.tfa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 20px;
    margin-top: 22px;
    padding: 10px 0;
}

.tfa-card {
    background: var(--surface-card);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 18px;
    padding-top: 46px;
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    word-wrap: break-word;
    min-height: 225px;
}

.tfa-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-3px);
    background: var(--glass-bg-hover);
}

.tfa-info {
    margin-bottom: 14px;
    text-align: center;
    flex-grow: 1;
}

.tfa-organization-value {
    font-size: 1.12em;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 3px;
    line-height: 1.3;
    word-break: break-word;
}

.tfa-account-value {
    font-size: 0.88em;
    color: var(--text-muted);
    line-height: 1.4;
    word-break: break-all;
    margin-bottom: 0;
}

.tfa-code-section {
    text-align: center;
    margin-bottom: 14px;
    border-top: 1px solid var(--border-default);
    padding-top: 14px;
    margin-top: 14px;
}

.tfa-code-section .info-label {
    font-size: 0.70em;
    color: var(--text-muted);
    margin-bottom: 5px;
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.tfa-card .tfa-code {
    font-family: 'JetBrains Mono', 'Roboto Mono', monospace;
    font-size: 2.1em;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: 4px;
    margin: 0 auto 8px auto;
    text-align: center;
    cursor: default;
    padding: 8px 14px;
    background: var(--accent-primary-bg);
    border-radius: var(--radius-sm);
    display: inline-block;
    border: 1px solid var(--accent-primary-border);
    user-select: all;
    line-height: 1.2;
    transition: all var(--transition-fast);
}

.tfa-card .tfa-code.copied {
    background: var(--success-bg);
    color: var(--success-text);
    border-color: var(--success-border);
}

.tfa-copy-button {
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary-border-strong);
    padding: 4px 13px;
    font-size: 0.82em;
    border-radius: var(--radius-full);
    margin-top: 6px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 600;
}

.tfa-copy-button:hover {
    background: var(--accent-primary-bg-strong);
    color: var(--accent-primary-hover);
    border-color: var(--accent-primary-focus);
    transform: none;
    box-shadow: var(--accent-primary-glow-sm);
}

.tfa-copy-button i {
    font-size: 1em;
}

.tfa-card .copy-feedback {
    font-size: 0.82em;
    color: var(--success-text);
    text-align: center;
    margin-top: 6px;
    height: 1.2em;
    font-style: italic;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tfa-card .copy-feedback.visible {
    opacity: 1;
}

.tfa-card .tfa-timer {
    width: 100%;
    height: 4px;
    background: var(--accent-primary-bg);
    border-radius: var(--radius-full);
    margin-top: auto;
    overflow: hidden;
}

.tfa-card .tfa-timer-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    width: 100%;
    transition: width 1s linear, background-color 0.5s ease;
}

.tfa-card .tfa-timer-bar.low {
    background: var(--warning-gradient);
}

.tfa-card .tfa-timer-bar.very-low {
    background: var(--danger-gradient);
}

.tfa-card .tfa-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
}

.tfa-card .action-btn {
    background: var(--glass-bg-subtle);
    border: 1px solid transparent;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.88em;
    transition: all var(--transition-base);
}

.tfa-card .action-btn:hover {
    transform: scale(1.12);
}

.tfa-card .action-btn.edit:hover {
    color: var(--accent-primary);
    background: var(--accent-primary-bg-strong);
    border-color: var(--accent-primary-border-strong);
}

.tfa-card .action-btn.qr-btn:hover {
    color: var(--accent-secondary);
    background: var(--accent-secondary-bg-strong);
    border-color: var(--accent-secondary-border-strong);
}

.tfa-card .action-btn.delete:hover {
    color: var(--danger-text);
    background: var(--danger-bg);
    border-color: var(--danger-border);
}

/* =============================================
   CHECK 2FA PAGE
   ============================================= */
.check-container h1 {
    font-size: 1.7em;
    margin-bottom: 0.8em;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.check-container p {
    color: var(--text-secondary);
    margin-bottom: 1.4em;
    line-height: 1.7;
}

.check-container #check-secret-input {
    min-height: 85px;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 1.02em;
    text-transform: uppercase;
    letter-spacing: 1px;
    resize: none;
    text-align: center;
    padding: 14px;
}

.result-area {
    margin-top: 28px;
    padding: 28px;
    background: var(--accent-primary-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--accent-primary-border);
}

.result-area h2 {
    font-size: 0.95em;
    color: var(--text-muted);
    margin-bottom: 14px;
    border-bottom: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

#check-code-display.totp-code.large-code {
    font-family: 'JetBrains Mono', 'Roboto Mono', monospace;
    font-size: 3.2em;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: 6px;
    margin: 8px 0;
    padding: 14px 18px;
    display: inline-block;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    user-select: all;
    line-height: 1.2;
    background: var(--accent-primary-bg);
    border: 1px solid var(--accent-primary-border);
}

#check-code-display.totp-code.large-code:hover {
    background: var(--accent-primary-bg-strong);
    box-shadow: var(--accent-primary-glow-md);
}

#check-countdown.countdown {
    font-size: 0.92em;
    color: var(--text-muted);
    margin-top: 8px;
    min-height: 1.5em;
}

.copy-hint {
    display: block;
    font-size: 0.82em;
    color: var(--text-muted);
    margin-top: 14px;
    position: relative;
}

.copy-tooltip {
    display: inline-block;
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success);
    color: var(--text-on-accent);
    padding: 4px 11px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 10;
}

.copy-tooltip.show {
    opacity: 1;
    visibility: visible;
}

.copy-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--success) transparent transparent transparent;
}

.nav-links {
    margin-top: 28px;
    padding-top: 18px;
    border-top: 1px solid var(--border-default);
    font-size: 0.9em;
}

.nav-links a {
    margin: 0 10px;
    color: var(--accent-primary);
}

/* =============================================
   QR CODE MODAL
   ============================================= */
#qr-code-modal .modal-dialog {
    max-width: 480px;
    margin: 80px auto;
}

.qr-modal-body {
    text-align: center;
    padding-top: 14px;
    padding-bottom: 22px;
}

.qr-modal-body p {
    font-size: 0.92em;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.5;
}

.modal-subtitle {
    color: var(--text-secondary);
    font-weight: 500;
}

#qr-code-container {
    margin: 18px auto;
    display: inline-block;
    background: var(--bg-qr);
    padding: 14px;
    border-radius: var(--radius-md);
    box-shadow: var(--accent-primary-glow-sm);
}

#qr-code-container img,
#qr-code-container canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.qr-secret-display {
    margin-top: 18px;
    font-size: 0.88em;
    color: var(--text-muted);
    word-break: break-all;
}

.qr-secret-display strong {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    color: var(--accent-primary);
    background: var(--accent-primary-bg);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--accent-primary-border);
}

.qr-warning {
    font-size: 0.82em;
    color: var(--danger-text);
    margin-top: 14px;
    font-weight: 500;
}

#qr-code-modal .modal-footer {
    justify-content: space-between;
}

#download-qr-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

#download-qr-button i {
    font-size: 1.1em;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 992px) {
    .container {
        margin: 18px 14px;
        padding: 22px;
    }

    .check-container {
        margin: 35px 14px;
        padding: 28px;
    }

    .tfa-grid {
        gap: 18px;
        grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    }
}

@media (max-width: 768px) {
    body {
        padding: 0;
    }

    .container {
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        border: none;
        border-bottom: 1px solid var(--border-default);
        padding: 18px;
        flex-grow: 1;
    }

    .check-container {
        margin: 0;
        border-radius: 0;
        max-width: 100%;
        border: none;
        padding: 22px;
    }

    .register-container,
    .login-container {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        margin: 50px auto;
        max-width: calc(100% - 30px);
        width: calc(100% - 30px);
        padding: 28px 22px;
    }

    header {
        padding: 12px 16px;
        flex-direction: column;
        gap: 0;
        position: relative;
        align-items: stretch;
    }

    .header-top {
        width: 100%;
    }

    .menu-toggle {
        display: block;
    }

    .header-controls {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 14px;
        gap: 12px;
        background: var(--glass-bg-subtle);
        padding: 16px;
        border-radius: var(--radius-md);
        border: 1px solid var(--glass-border);
    }
    
    .header-controls.show {
        display: flex;
        animation: fadeIn 0.2s ease-in-out;
    }

    footer {
        padding: 14px;
    }

    .modal-content {
        margin: 10px;
        border-radius: var(--radius-md);
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar button {
        width: 100%;
        margin-top: 8px;
    }

    .tfa-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 14px;
    }

    .tfa-card {
        padding: 14px;
        padding-top: 42px;
        min-height: auto;
    }

    .tfa-card .tfa-code {
        font-size: 1.8em;
        letter-spacing: 2px;
    }

    .redirect-container {
        padding: 28px 22px;
    }

    .theme-toggle-standalone {
        top: 12px;
        right: 12px;
    }
}

@media (max-width: 480px) {

    .register-container,
    .login-container {
        padding: 24px 18px;
        margin: 35px auto;
    }

    /* Removed .header-controls overriding here since it's handled in 768px */

    .tfa-grid {
        grid-template-columns: 1fr;
    }

    .tfa-card .tfa-code {
        font-size: 1.6em;
    }

    .modal-footer {
        justify-content: center;
    }

    .modal-footer button {
        min-width: 40%;
    }

    .check-container {
        padding: 18px 14px;
    }

    #check-code-display.totp-code.large-code {
        font-size: 2em;
        letter-spacing: 3px;
        padding: 10px;
    }

    .result-area {
        padding: 18px 14px;
    }

    .nav-links a {
        display: block;
        margin: 6px 0;
    }

    .redirect-container {
        padding: 24px 18px;
    }

    .redirect-container .message {
        font-size: 0.95em;
    }

    .redirect-container .fallback {
        font-size: 0.82em;
    }
}