@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');
@import url('calendar_style.css');

:root {
    --primary: #1d4ed8;
    --primary-light: #3b82f6;
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --radius-lg: 16px;
    --radius-md: 12px;
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --bg-body: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
    -webkit-tap-highlight-color: transparent;
}

html,
body {
    height: 100%;
    min-height: 100vh;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-size: 16px;
    overscroll-behavior-y: contain;
}

.no-scroll {
    overflow: hidden !important;
    overscroll-behavior: none !important;
}

.ptr-indicator {
    position: absolute;
    top: -60px;
    width: 100%;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    transition: transform 0.2s;
    z-index: 50;
}

.ptr-indicator i {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
    transition: transform 0.2s;
}

.ptr-indicator.release {
    color: var(--primary);
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 100px;
}

.app-header {
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 1.25rem;
    position: sticky;
    top: 1rem;
    z-index: 100;
    margin: 0 1rem 1rem 1rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.offline-indicator {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.375rem 0.75rem;
    background: #ef4444;
    color: white;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.7;
    }
}

.app-header h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.theme-btn {
    background: none;
    border: none;
    color: var(--text-main);
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: background 0.2s;
}

.theme-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    justify-content: space-around;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.5rem 0;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.75rem;
    font-weight: 500;
}

.tab-btn i {
    width: 24px;
    height: 24px;
}

.tab-btn.active {
    color: var(--primary);
}

.tab-btn:hover {
    color: var(--text-main);
}

/* Tab Panes */
.tab-pane {
    display: none;
    padding-bottom: 80px;
    /* Space for bottom nav */
}

.tab-pane.active {
    display: block;
}

#main-content {
    min-height: calc(100vh - 180px);
}


.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin: 1rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--glass-border);
}

.form-group-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group-row>.form-group {
    flex: 1;
    min-width: 0;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

input,
select {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background-color: var(--bg-body);
    font-size: 1rem;
    color: var(--text-main);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

input:focus,
select:focus {
    outline: none;
    background-color: var(--bg-card);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

input[type="text"] {
    text-transform: capitalize;
}

.attendance-table-header {
    display: grid;
    grid-template-columns: 44px 130px 130px 1fr;
    gap: 0.5rem;
    padding: 1rem 0.5rem;
    margin: 0 0.5rem 0.75rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
    position: sticky;
    top: 100px;
    background: var(--bg-card);
    z-index: 80;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

[data-theme="dark"] .attendance-table-header {
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(10px);
}

.attendance-table-header span:nth-child(4) {
    text-align: right;
    padding-right: 0.5rem;
}

.attendance-list {
    padding: 0 0.5rem 90px 0.5rem;
    /* Adjusted for optimal spacing */
}

.attendance-day {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.35rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-sm);
    display: grid;
    grid-template-columns: 44px 130px 130px 1fr;
    align-items: center;
    gap: 0.5rem;
}

/* Mobile Responsive Adjustments */
@media (max-width: 640px) {

    .attendance-table-header,
    .attendance-day {
        grid-template-columns: 44px 95px 95px 1fr;
        gap: 0.2rem;
    }
}

.attendance-day .row-top {
    display: contents;
}

.attendance-day.weekend {
    background: rgba(244, 63, 94, 0.08);
    border-left: 4px solid rgba(244, 63, 94, 0.5);
}

.day-info {
    min-width: 40px;
    text-align: center;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.4rem 0.25rem;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.day-info span {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
}

.day-info small {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.time-group {
    display: flex;
    gap: 1px;
    align-items: center;
}

.select-box {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--bg-body);
    font-size: 1rem;
    color: var(--text-main);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.time-box {
    flex: 1;
    width: auto;
    min-width: 0;
    padding: 0.4rem;
    font-size: 0.8rem;
    text-align: center;
}

.ampm-box {
    flex: 0 0 34px;
    width: auto;
    padding: 0.4rem 0;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.select-box span {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.remark-select.select-box {
    min-width: 40px;
    padding: 0.4rem 0.3rem;
    font-size: 0.8rem;
    height: auto;
    min-height: 38px;
}

.remark-select.select-box span {
    white-space: normal !important;
    text-overflow: clip;
    line-height: 1.2;
    overflow: visible;
    word-break: normal;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 1rem;
}

@media (min-width: 600px) {
    .settings-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.settings-card {
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.settings-card h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border);
    padding-bottom: 4px;
}

.list-container {
    flex: 1;
    overflow-y: auto;
    max-height: 220px;
    margin-top: 0.5rem;
}

.input-with-btn {
    display: flex;
    gap: 0;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--border);
}

.input-with-btn input {
    flex: 1;
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0.75rem 1rem;
    height: 100%;
}

.btn-icon {
    width: 48px;
    height: auto;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.1s;
}

.btn-icon:active {
    box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.2);
    transform: translateY(2px);
}

.settings-list {
    list-style: none;
    margin-top: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.settings-list li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
}

.delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 2px;
}

.delete-btn:hover {
    color: #ef4444;
}

.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    /* transform: translateX(-50%); Removed for RTL */
    width: 100%;
    max-width: 600px;
    padding: 1rem 1rem 6rem 1rem;
    background: linear-gradient(to top, var(--bg-body) 80%, rgba(243, 244, 246, 0));
    z-index: 90;
    display: flex;
    gap: 0.75rem;
    pointer-events: none;
}

.action-bar button {
    pointer-events: auto;
}

.btn {
    flex: 1;
    padding: 0.7rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
    color: white;
}

.btn-secondary {
    background: #1f2937;
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.tab-nav {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    margin: 0 auto;
    /* transform: translateX(-50%); Removed for RTL safety */
    width: calc(100% - 2rem);
    max-width: 580px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.tab-btn {
    flex: 1;
    padding: 0;
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: #9ca3af;
}

.tab-btn.active {
    color: var(--primary);
}

.tab-pane {
    display: none;
    animation: slideIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.picker-overlay,
.message-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 5000 !important;
    /* Ensure on top of everything including Preview Modal (2500) */
    display: flex;
    justify-content: center;
    align-items: flex-end;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.picker-overlay.hidden,
.message-overlay.hidden {
    display: none !important;
}

.picker-card,
.message-card {
    background: var(--bg-card);
    width: 100%;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
}

.picker-card {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease;
}

.message-card {
    max-width: 320px;
    text-align: center;
    border: 1px solid var(--border);
    animation: slideUp 0.25s ease;
    align-self: center;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

@media (min-width: 600px) {
    .picker-overlay {
        align-items: center;
    }

    .picker-card {
        width: 400px !important;
        border-radius: var(--radius-lg) !important;
        max-height: 80vh !important;
    }
}

.picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.picker-body {
    overflow-y: auto;
    height: 100%;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: y mandatory;
    padding: 105px 0;
}

.picker-footer {
    padding: 1rem;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.picker-body::-webkit-scrollbar {
    display: none;
}

.picker-wrapper {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.picker-highlight {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 44px;
    background: rgba(59, 130, 246, 0.1);
    border-top: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    pointer-events: none;
    z-index: 10;
    border-radius: 8px;
}

[data-theme="dark"] .picker-highlight {
    background: rgba(59, 130, 246, 0.2);
}

.picker-option {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 500;
    cursor: pointer;
    scroll-snap-align: center;
    opacity: 0.5;
    transition: all 0.2s ease;
    color: var(--text-muted);
    position: relative;
    z-index: 20;
}

.picker-option-active {
    font-size: 1.5rem;
    font-weight: 700;
    opacity: 1;
    color: #000000;
    transform: scale(1.05);
}

[data-theme="dark"] .picker-option-active {
    color: #ffffff;
}

.message-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary);
}

.message-icon.warning {
    background: rgba(251, 191, 36, 0.15);
    color: #f59e0b;
}

.message-icon.error {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.message-icon.success {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.message-card p {
    margin-bottom: 2rem;
    color: var(--text-muted);
}

.message-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.about-card {
    text-align: center;
}

.about-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.logo-container {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    padding: 1.5rem;
    border-radius: 50%;
    margin-bottom: 0.5rem;
}

.app-logo-large {
    width: 48px;
    height: 48px;
    color: var(--primary);
}

.about-info-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;
    width: 100%;
    margin-top: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-body);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.icon-box {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    color: var(--primary);
}

.info-text {
    display: flex;
    flex-direction: column;
}

.info-text label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.about-footer {
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* PIN Modal */
.pin-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1rem;
    overflow: auto;
}

.pin-modal-content {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: top 0.3s ease, transform 0.3s ease;
}

.pin-box {
    position: relative;
    width: 56px;
    height: 56px;
}

.pin-digit {
    width: 100%;
    height: 100%;
    text-align: center;
    font-size: 1px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-body);
    color: transparent;
    transition: all 0.3s;
    outline: none;
    caret-color: transparent;
    cursor: pointer;
}

.pin-digit:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--bg-card);
}

.pin-digit.filled {
    border-color: var(--primary);
    background: var(--bg-card);
}

.pin-digit.filled+.pin-dot {
    display: flex;
}

.pin-dot {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    font-size: 2.5rem;
    color: var(--primary);
    font-weight: bold;
}

.pin-dot::before {
    content: '●';
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--primary);
}

.toggle-switch input:checked+.toggle-slider:before {
    transform: translateX(24px);
}

/* View Toggle in Data Header */
.toggle-btn {
    background: transparent;
    border: none;
    padding: 6px;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.toggle-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-main);
}

.toggle-btn.active {
    background: var(--bg-card);
    color: var(--primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .toggle-btn.active {
    background: var(--bg-surface, #334155);
    color: var(--primary-light);
}

/* Ensure Calendar container fits nicely in Data tab */
#calendarContainer {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Sub Tabs (Segmented Control) */
.sub-tabs {
    display: flex;
    background-color: var(--bg-body);
    padding: 4px;
    border-radius: 999px;
    /* Pill shape container */
    margin: 0 0 1rem 0;
    position: relative;
    border: 1px solid var(--border);
}

.sub-tab-btn {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    /* Pill shape buttons */
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    z-index: 1;
}

.sub-tab-btn.active {
    background-color: var(--bg-card);
    color: var(--primary);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .sub-tab-btn.active {
    background-color: var(--bg-card);
    /* or lighter surface */
    color: var(--primary-light);
}

/* About Tab Styles */
#about {
    padding: 1rem;
}

.about-card {
    max-width: 600px;
    margin: 2rem auto;
    text-align: center;
    background: var(--bg-card);
    /* Ensure background */
    color: var(--text-main);
    /* Ensure text color */
    opacity: 1 !important;
    visibility: visible !important;
}

.about-header {
    padding: 2rem 1rem 1rem;
    border-bottom: 1px solid var(--border);
}

.logo-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.3);
}

.app-logo-large {
    width: 48px;
    height: 48px;
    color: white;
}

.about-header h2 {
    font-size: 1.5rem;
    margin: 0 0 0.5rem 0;
    color: var(--text-main);
}

.version-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.about-body {
    padding: 1.5rem;
}

.about-description {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-info-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-body);
    border-radius: 12px;
    text-align: left;
}

.icon-box {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-box i {
    width: 20px;
    height: 20px;
    color: white;
}

.info-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.info-text label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.info-text span,
.info-text a {
    color: var(--text-main);
    font-size: 0.95rem;
}

.link-text {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

.link-text:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.about-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* PIN Modal & Security Styles - Fixed Layout */
.pin-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    /* display is handled by JS toggling style attribute */
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 1rem;
}

/* Force Flex layout when JS sets display: block */
.pin-modal[style*="block"],
.pin-modal[style*="display: block"] {
    display: flex !important;
}

.pin-modal-content {
    background: var(--bg-card);
    width: 100%;
    max-width: 360px;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    animation: modalPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border);
    text-align: center;
}

@keyframes modalPop {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }

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

.pin-box {
    position: relative;
    width: 54px;
    height: 54px;
    background: var(--bg-body);
    border: 2px solid var(--border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.pin-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

.pin-digit {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    caret-color: var(--primary);
    outline: none;
    z-index: 2;
    -webkit-text-security: disc;
}