/* @import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* Reset and Global Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Fonts */
    --font-sans: 'Outfit', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Theme: Default Dark (Deep Slate / Indigo) */
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --bg-card: rgba(15, 23, 42, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.4);
    
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    
    --glass-blur: blur(16px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Override */
[data-theme="light"] {
    --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    --bg-card: rgba(255, 255, 255, 0.75);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --accent-glow: rgba(79, 70, 229, 0.25);
    
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
}

/* Emerald/Mint Theme Override */
[data-theme="emerald"] {
    --bg-gradient: linear-gradient(135deg, #022c22 0%, #064e3b 100%);
    --bg-card: rgba(6, 78, 59, 0.6);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    
    --text-primary: #ecfdf5;
    --text-secondary: #a7f3d0;
    --text-muted: #34d399;
    
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-glow: rgba(16, 185, 129, 0.4);
}

/* Sunset (Rose/Amber) Theme Override */
[data-theme="sunset"] {
    --bg-gradient: linear-gradient(135deg, #18000a 0%, #4c0519 100%);
    --bg-card: rgba(76, 5, 25, 0.55);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #fff1f2;
    --text-secondary: #fecdd3;
    --text-muted: #fda4af;
    
    --accent: #f43f5e;
    --accent-hover: #e11d48;
    --accent-glow: rgba(244, 63, 94, 0.4);
}

body {
    font-family: var(--font-sans);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: var(--transition);
}

/* App Container and Typography */
header {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    min-width: auto;
}

.logo-icon {
    width: 2.2rem;
    height: 2.2rem;
    color: var(--accent);
    filter: drop-shadow(0 0 8px var(--accent-glow));
    animation: rotate-logo 10s linear infinite;
}

@keyframes rotate-logo {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    white-space: nowrap;
}

.nav-link svg {
    width: 1.2rem;
    height: 1.2rem;
    flex-shrink: 0;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    border-radius: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

/* Common Interactive Buttons */
.btn-icon {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-icon:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
    transform: scale(1.05);
}

.btn-icon svg {
    width: 1.2rem;
    height: 1.2rem;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px var(--accent-glow);
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px var(--accent-glow);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
}

/* Layout Main Content */
main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    main {
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 480px) {
    main {
        padding: 1rem 0.75rem;
    }
}

.tab-content {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
}

.tab-content.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

/* Global Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

@media (max-width: 768px) {
    .glass-card {
        padding: 1.5rem;
        border-radius: 16px;
    }
}

@media (max-width: 480px) {
    .glass-card {
        padding: 1rem;
        border-radius: 12px;
    }
}

/* Clock Page Specifics */
.clock-layout-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    min-height: 55vh;
}

.clock-main-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    min-height: 200px;
    justify-content: center;
}

.clock-font-modern { font-family: var(--font-sans); }
.clock-font-digital { font-family: var(--font-mono); }
.clock-font-serif { font-family: 'Georgia', serif; }

.digital-time-container {
    font-size: 8rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    display: flex;
    align-items: baseline;
    justify-content: center;
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.05));
    transition: font-size 0.3s ease;
    user-select: none;
    min-height: 90px;
    max-width: 100%;
    overflow: hidden;
}

@media (max-width: 1024px) {
    .digital-time-container {
        font-size: 5rem;
        min-height: 60px;
    }
}

@media (max-width: 768px) {
    .digital-time-container {
        font-size: 3.5rem;
        min-height: 50px;
    }
}

@media (max-width: 480px) {
    .digital-time-container {
        font-size: 2.5rem;
        min-height: 40px;
    }
}

[data-theme="light"] .digital-time-container {
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.05));
}

.digital-seconds {
    font-size: 4.5rem;
    font-weight: 500;
    color: var(--accent);
    margin-left: 0.25rem;
}

@media (max-width: 1024px) {
    .digital-seconds {
        font-size: 2.8rem;
        margin-left: 0.15rem;
    }
}

@media (max-width: 768px) {
    .digital-seconds {
        font-size: 2rem;
        margin-left: 0.1rem;
    }
}

@media (max-width: 480px) {
    .digital-seconds {
        font-size: 1.4rem;
        margin-left: 0.1rem;
    }
}

.digital-ms {
    font-size: 2.2rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
    width: 3.5rem;
    text-align: left;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .digital-ms {
        font-size: 1.5rem;
        width: 2.5rem;
    }
}

@media (max-width: 768px) {
    .digital-ms {
        font-size: 1rem;
        width: 1.8rem;
    }
}

@media (max-width: 480px) {
    .digital-ms {
        font-size: 0.7rem;
        width: 1.3rem;
        margin-left: 0.25rem;
    }
}

.date-timezone-display {
    margin-top: 1rem;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

@media (max-width: 768px) {
    .date-timezone-display {
        font-size: 1rem;
        margin-top: 0.75rem;
    }
}

@media (max-width: 480px) {
    .date-timezone-display {
        font-size: 0.85rem;
        margin-top: 0.5rem;
    }
}

.clock-options-bar {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 768px) {
    .clock-options-bar {
        gap: 0.75rem;
    }
}

@media (max-width: 480px) {
    .clock-options-bar {
        gap: 0.5rem;
    }

    .clock-options-bar .btn-secondary {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* SVG Analog Clock */
.analog-clock-container {
    position: relative;
    width: 280px;
    height: 280px;
}

@media (max-width: 768px) {
    .analog-clock-container {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .analog-clock-container {
        width: 150px;
        height: 150px;
    }
}

.analog-clock {
    width: 100%;
    height: 100%;
}

.clock-face {
    fill: rgba(0, 0, 0, 0.2);
    stroke: var(--border-color);
    stroke-width: 4;
}

.clock-face-tick {
    stroke: var(--text-muted);
    stroke-width: 2;
}

.clock-face-tick.major {
    stroke: var(--text-secondary);
    stroke-width: 4;
}

.clock-hand-hour {
    stroke: var(--text-primary);
    stroke-width: 6;
    stroke-linecap: round;
    transform-origin: 150px 150px;
    transition: transform 0.2s cubic-bezier(0.4, 2.08, 0.55, 1);
}

.clock-hand-minute {
    stroke: var(--text-secondary);
    stroke-width: 4;
    stroke-linecap: round;
    transform-origin: 150px 150px;
    transition: transform 0.2s cubic-bezier(0.4, 2.08, 0.55, 1);
}

.clock-hand-second {
    stroke: var(--accent);
    stroke-width: 2.5;
    stroke-linecap: round;
    transform-origin: 150px 150px;
}

.clock-center-dot {
    fill: var(--accent);
}

/* Hide options */
.hidden {
    display: none !important;
}

/* Fullscreen Mode override styles */
.fullscreen-active {
    background: #000 !important;
}

.fullscreen-active header,
.fullscreen-active footer {
    display: none !important;
}

.fullscreen-active main {
    max-width: 100% !important;
    height: 100vh;
    padding: 0;
    justify-content: center;
    align-items: center;
}

.fullscreen-active .clock-layout-wrapper {
    min-height: 80vh;
    gap: 4rem;
}

.fullscreen-active .digital-time-container {
    font-size: 13rem;
}

.fullscreen-active .digital-seconds {
    font-size: 7rem;
}

.fullscreen-active .digital-ms {
    font-size: 3.5rem;
    width: 5.5rem;
}

.fullscreen-active .analog-clock-container {
    width: 380px;
    height: 380px;
}

.fullscreen-exit-btn {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.fullscreen-active:hover .fullscreen-exit-btn {
    opacity: 1;
}

/* Settings Drawer Panel */
.settings-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.settings-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.settings-drawer {
    position: absolute;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100%;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-y: auto;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 768px) {
    .settings-drawer {
        width: 320px;
        right: -320px;
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .settings-drawer {
        width: 100%;
        right: -100%;
        padding: 1.5rem 1rem;
    }
}

.settings-overlay.open .settings-drawer {
    right: 0;
}

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

.settings-title {
    font-size: 1.4rem;
    font-weight: 700;
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.settings-section-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.settings-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

/* Custom Controls in Settings */
.select-theme-btn {
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.03);
    color: var(--text-primary);
    padding: 0.6rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
}

.select-theme-btn:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--border-hover);
}

.select-theme-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.toggle-switch-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.toggle-switch-label:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.toggle-switch-input {
    appearance: none;
    -webkit-appearance: none;
    width: 2.8rem;
    height: 1.5rem;
    background: rgba(255,255,255,0.15);
    border-radius: 9999px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    flex-shrink: 0;
}

[data-theme="light"] .toggle-switch-input {
    background: rgba(0,0,0,0.1);
}

.toggle-switch-input:checked {
    background: var(--success);
}

.toggle-switch-input::before {
    content: '';
    position: absolute;
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    background: white;
    top: 0.15rem;
    left: 0.15rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.toggle-switch-input:checked::before {
    transform: translateX(1.3rem);
}

.settings-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}

[data-theme="light"] .settings-select {
    background: #fff;
}

.settings-select:focus {
    border-color: var(--accent);
}

/* World Clock Page Styling */
.world-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .world-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .world-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

.world-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    padding: 1.5rem;
}

.world-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.world-card-info {
    display: flex;
    flex-direction: column;
}

.world-city-name {
    font-size: 1.4rem;
    font-weight: 700;
}

.world-country-name {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.world-time-display {
    font-size: 2.2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent);
}

.world-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.world-card-diff {
    font-weight: 600;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
}

.add-clock-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border: 2px dashed var(--border-color);
    border-radius: 24px;
    min-height: 180px;
    cursor: pointer;
    transition: var(--transition);
}

.add-clock-card:hover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.03);
}

.add-clock-card-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.add-clock-card:hover .add-clock-card-icon {
    color: var(--accent);
    transform: scale(1.1);
}

/* Modal styles for adding world clocks */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.modal-overlay.open .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-body {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    overflow-y: auto;
    flex: 1;
}

.search-input-wrapper {
    position: relative;
    flex-shrink: 0;
}

.modal-search-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border-radius: 12px;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

[data-theme="light"] .modal-search-input {
    background: #fff;
}

.modal-search-input:focus {
    border-color: var(--accent);
}

.search-icon-svg {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.1rem;
    height: 1.1rem;
    color: var(--text-muted);
}

.timezone-list {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.1);
    padding: 0.3rem;
}

.timezone-item {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.timezone-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.timezone-item-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.timezone-item-offset {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Stopwatch Styling */
.stopwatch-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.stopwatch-display {
    font-size: 7.5rem;
    font-weight: 800;
    font-family: var(--font-mono);
    line-height: 1;
    display: flex;
    align-items: baseline;
}

@media (max-width: 768px) {
    .stopwatch-display {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .stopwatch-display {
        font-size: 2.5rem;
    }
}

.stopwatch-ms {
    font-size: 3.5rem;
    color: var(--accent);
    margin-left: 0.5rem;
    width: 4rem;
    text-align: left;
}

@media (max-width: 768px) {
    .stopwatch-ms {
        font-size: 2rem;
        width: 2.4rem;
    }
}

@media (max-width: 480px) {
    .stopwatch-ms {
        font-size: 1.2rem;
        width: 1.5rem;
    }
}

.stopwatch-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 480px) {
    .stopwatch-actions {
        gap: 0.5rem;
    }

    .stopwatch-actions .btn-secondary,
    .stopwatch-actions .btn-primary {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

.laps-container {
    width: 100%;
    max-width: 600px;
    max-height: 300px;
    overflow-y: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.lap-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.lap-item.fastest {
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.05);
    color: var(--success);
}

.lap-item.slowest {
    border-color: rgba(239, 68, 110, 0.4);
    background: rgba(239, 68, 110, 0.05);
    color: var(--danger);
}

.lap-number {
    font-weight: 600;
    color: var(--text-secondary);
}

.lap-delta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Timer Page Styles */
.timer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.timer-circle-wrapper {
    position: relative;
    width: 260px;
    height: 260px;
}

@media (max-width: 768px) {
    .timer-circle-wrapper {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .timer-circle-wrapper {
        width: 150px;
        height: 150px;
    }
}

.timer-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 8;
}

.timer-circle-progress {
    fill: none;
    stroke: var(--accent);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.1s linear;
}

.timer-text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-time-display {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .timer-time-display {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .timer-time-display {
        font-size: 1.2rem;
    }
}

.timer-input-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.timer-input-box {
    width: 70px;
    padding: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    outline: none;
    transition: var(--transition);
}

.timer-input-box:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
}

.timer-colon {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.timer-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

@media (max-width: 480px) {
    .timer-presets {
        gap: 0.5rem;
    }
}

.timer-preset-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    white-space: nowrap;
}

.timer-preset-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.timer-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

@media (max-width: 480px) {
    .timer-actions {
        gap: 0.5rem;
    }

    .timer-actions .btn-primary,
    .timer-actions .btn-secondary {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* Alarm Page Styling */
.alarm-dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .alarm-dashboard {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.alarm-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.alarm-time-picker {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.alarm-label-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.alarm-label-input:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
}

.input-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.alarm-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.alarm-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Calculator Styling */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .calc-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.calc-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calc-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.calc-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.calc-input:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
}

.calc-results-box {
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 12px;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 480px) {
    footer {
        padding: 1.5rem 1rem;
    }
}

/* Alarm Trigger Overlay */
.alarm-trigger-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(249, 115, 22, 0.95));
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    animation: pulse 1s infinite alternate;
}

@keyframes pulse {
    from { opacity: 0.9; }
    to { opacity: 1; }
}

.alarm-trigger-icon {
    width: 6rem;
    height: 6rem;
    color: #fff;
    animation: shake 0.5s infinite;
}

@keyframes shake {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-5deg); }
    75% { transform: rotate(5deg); }
}

.alarm-trigger-time {
    font-size: 5rem;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-mono);
}

.alarm-trigger-label {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
}

.alarm-trigger-actions {
    display: flex;
    gap: 1rem;
}

.alarm-trigger-btn {
    padding: 1rem 2rem;
    background: #fff;
    color: #ef4444;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.alarm-trigger-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}