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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
    max-width: 970px;
    margin: 0 auto;
    padding: 0 1rem;
}

.content-wrapper {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.main-content {
    flex: 1;
    min-width: 0;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    background-color: var(--navbar-bg);
    color: var(--navbar-text);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    gap: 1rem;
}

.navbar-brand {
    color: var(--navbar-text);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.navbar-brand:hover {
    color: var(--navbar-text);
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--navbar-text);
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    transition: opacity var(--transition);
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--navbar-text);
    opacity: 0.85;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--navbar-text);
    transition: transform var(--transition);
}

.nav-toggle-icon {
    position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }

.theme-toggle {
    background: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--navbar-text);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition), border-color var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* ========================================
   TIMER SECTION
   ======================================== */
#timer-app {
    margin: 10px 0 0;
}

.timer-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.timer-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
    background-color: var(--bg-secondary);
}

.timer-tabs {
    display: flex;
    gap: 0;
}

.timer-tab {
    background: none;
    border: none;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition), background-color var(--transition);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.timer-tab:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.timer-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background-color: var(--bg-primary);
}

.panel-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.tool-btn:hover {
    color: var(--accent);
}

.tool-btn svg {
    width: 20px;
    height: 20px;
}

/* Timer Panels */
.timer-panel {
    display: none;
    padding: 2rem 1rem;
    text-align: center;
}

.timer-panel.active {
    display: block;
}

.timer-display {
    font-family: var(--timer-font);
    font-size: var(--timer-size);
    font-weight: bold;
    color: var(--timer-color);
    letter-spacing: 0.05em;
    padding: 1rem 0 0;
    line-height: 1.2;
    margin-bottom: 0;
    user-select: none;
    transition: font-size var(--transition);
}

.timer-display.running {
    color: var(--state-running);
}

.timer-display.paused {
    color: var(--state-paused);
}

.timer-display.alarm {
    color: var(--state-alarm);
    animation: pulse 1s infinite;
}

.timer-display-wrapper {
    display: inline-block;
    text-align: center;
}

.timer-display-labels {
    display: flex;
    justify-content: space-around;
    margin-top: -5px;
    padding: 0;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timer-display-labels span {
    text-align: center;
    flex: 1;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Timer Controls */
.timer-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition), transform 0.1s;
    min-width: 44px;
    min-height: 44px;
    text-decoration: none;
}

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

.btn-primary {
    background-color: var(--accent);
    color: var(--accent-text);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-danger {
    background-color: var(--state-alarm);
    color: #fff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    min-height: 36px;
}

/* Preset Buttons */
.preset-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.preset-btn {
    background-color: var(--accent);
    color: var(--accent-text);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition), transform 0.1s;
    min-height: 44px;
}

.preset-btn:hover {
    background-color: var(--accent-hover);
}

.preset-btn:active {
    transform: scale(0.95);
}

/* Countdown Input */
.countdown-input {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.countdown-input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.countdown-input-group input {
    width: 70px;
    text-align: center;
    font-size: 1.5rem;
    font-family: var(--timer-font);
    font-weight: bold;
    padding: 0.5rem;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition);
}

.countdown-input-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.countdown-input-group .input-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.countdown-input .separator {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-secondary);
    padding-top: 0.5rem;
}

/* Progress Ring */
.progress-ring-container {
    position: relative;
    display: inline-block;
    margin: 1rem 0;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    stroke: var(--border);
    fill: none;
}

.progress-ring-fill {
    fill: none;
    stroke: var(--accent);
    stroke-linecap: butt;
    transition: stroke-dashoffset 0.3s;
}

.progress-ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--timer-font);
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-primary);
}

/* Lap List */
.lap-list {
    max-height: 300px;
    overflow-y: auto;
    margin: 1rem auto;
    max-width: 400px;
    text-align: left;
}

.lap-list table {
    width: 100%;
    border-collapse: collapse;
}

.lap-list th,
.lap-list td {
    padding: 0.4rem 0.75rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.lap-list th {
    font-weight: 600;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    position: sticky;
    top: 0;
}

.lap-list td {
    font-family: var(--timer-font);
}

.lap-list tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

.lap-fastest td { color: var(--state-running); }
.lap-slowest td { color: var(--state-alarm); }

/* Pomodoro */
.pomodoro-phase {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.pomodoro-phase.work { color: var(--pomodoro-work); }
.pomodoro-phase.break { color: var(--pomodoro-break); }

.pomodoro-sessions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.session-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: transparent;
    transition: background-color var(--transition);
}

.session-dot.completed {
    background-color: var(--accent);
}

.pomodoro-settings {
    max-width: 300px;
    margin: 1rem auto;
    text-align: left;
}

.pomodoro-settings summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 0.5rem 0;
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
}

.setting-row label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.setting-row input {
    width: 60px;
    text-align: center;
    padding: 0.3rem;
    border: 1px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Alarm */
.current-time {
    font-family: var(--timer-font);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: bold;
    color: var(--text-primary);
    padding: 1rem 0;
}

.alarm-form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.alarm-form input[type="time"] {
    font-size: 1.2rem;
    padding: 0.5rem;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.alarm-form input[type="text"] {
    font-size: 1rem;
    padding: 0.5rem;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    width: 150px;
}

.alarm-list {
    max-width: 400px;
    margin: 1rem auto;
}

.alarm-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border: 1px solid var(--border);
    margin-bottom: 0.5rem;
    background-color: var(--bg-secondary);
}

.alarm-time {
    font-family: var(--timer-font);
    font-size: 1.3rem;
    font-weight: bold;
}

.alarm-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.alarm-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

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

.alarm-toggle .slider {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--border);
    border-radius: 24px;
    transition: background-color var(--transition);
}

.alarm-toggle .slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition);
}

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

.alarm-toggle input:checked + .slider::before {
    transform: translateX(20px);
}

.alarm-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.2rem;
    transition: color var(--transition);
}

.alarm-delete:hover {
    color: var(--state-alarm);
}

/* Alarm overlay */
.alarm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    flex-direction: column;
    gap: 1rem;
}

.alarm-overlay.active {
    display: flex;
}

.alarm-overlay-time {
    font-family: var(--timer-font);
    font-size: 4rem;
    color: var(--state-alarm);
    animation: pulse 1s infinite;
}

.alarm-overlay-label {
    font-size: 1.5rem;
    color: #fff;
}

/* ========================================
   SOCIAL SHARE BAR
   ======================================== */
.social-share {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.share-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

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

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: #fff;
    transition: transform var(--transition), opacity var(--transition);
}

.share-btn:hover {
    transform: scale(1.1);
    opacity: 0.9;
    color: #fff;
}

.share-twitter { background-color: #000000; }
.share-facebook { background-color: #1877F2; }
.share-reddit { background-color: #FF4500; }
.share-whatsapp { background-color: #25D366; }
.share-linkedin { background-color: #0A66C2; }

/* ========================================
   SEO ARTICLE
   ======================================== */
.seo-article {
    max-width: 800px;
    padding: 2rem 0;
}

.seo-article h2 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.seo-article h3 {
    font-size: 1.2rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-primary);
}

.seo-article p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.seo-article ul,
.seo-article ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.seo-article ul { list-style: disc; }
.seo-article ol { list-style: decimal; }

.seo-article li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.seo-article blockquote {
    border-left: 4px solid var(--accent);
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-style: italic;
}

.seo-article a {
    color: var(--accent);
    text-decoration: underline;
}

/* ========================================
   AD CONTAINERS
   ======================================== */
.ad-container {
    margin: 0.5rem 0;
    text-align: center;
    overflow: hidden;
}

/* Hide ad containers that have no activated ads (only <template> inside) */
.ad-container:not(.ad-active) {
    display: none !important;
}

.ad-header.ad-active { min-height: 90px; }
.ad-in_article { margin: 2rem 0; }
.ad-sidebar {
    position: sticky;
    top: 80px;
    min-height: 250px;
}
.ad-footer { margin: 2rem 0 1rem; }

/* ========================================
   PAGE CONTENT (supporting pages)
   ======================================== */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.page-content h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.page-content h2 {
    font-size: 1.4rem;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}

.page-content h3 {
    font-size: 1.15rem;
    margin: 1.5rem 0 0.5rem;
    color: var(--text-primary);
}

.page-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.page-content ul,
.page-content ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }

.page-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* FAQ Accordion */
.faq-item {
    border: 1px solid var(--border);
    margin-bottom: 0.5rem;
}

.faq-question {
    width: 100%;
    background: var(--bg-secondary);
    border: none;
    padding: 1rem 1.25rem;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition);
}

.faq-question:hover {
    background-color: var(--bg-tertiary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
    content: '−';
}

.faq-answer {
    display: none;
    padding: 1rem 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    display: block;
}

/* Contact Form */
.contact-form {
    max-width: 500px;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.65rem;
    border: 2px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   COOKIE CONSENT
   ======================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--cookie-bg);
    border-top: 1px solid var(--cookie-border);
    z-index: 1000;
    animation: slideUp 0.3s ease;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-inner p {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    min-width: 200px;
}

.cookie-inner a {
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem 0 1rem;
    margin-top: 2rem;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

.footer-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-brand:hover {
    color: var(--accent);
}

.footer-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col ul li {
    margin-bottom: 0.4rem;
}

.footer-col ul a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition);
}

.footer-col ul a:hover {
    color: var(--accent);
}

.footer-bottom {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   UTILITIES
   ======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.hidden { display: none !important; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .content-wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--navbar-bg);
        flex-direction: column;
        padding: 0.5rem 0;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 0.75rem 1.5rem;
    }

    .timer-card-header {
        flex-wrap: wrap;
        gap: 0.25rem;
    }

    .timer-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex: 1;
        min-width: 0;
    }

    .timer-tab {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
    }

    .panel-tools {
        flex-shrink: 0;
    }

    .tool-btn {
        width: 28px;
        height: 28px;
        padding: 0.25rem;
    }

    .tool-btn svg {
        width: 16px;
        height: 16px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .timer-tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .timer-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }

    .cookie-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .timer-display {
        font-size: 40px;
    }

    .timer-controls {
        flex-wrap: wrap;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .preset-buttons {
        gap: 0.35rem;
    }

    .preset-btn {
        padding: 0.4rem 0.7rem;
        font-size: 0.8rem;
    }

    .countdown-input input {
        width: 55px;
        font-size: 1.2rem;
    }

    .page-content h1 {
        font-size: 1.5rem;
    }
}

/* ========================================
   FULLSCREEN
   ======================================== */
:-webkit-full-screen .timer-card {
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    height: 100vh;
    background-color: var(--bg-primary);
}

:-webkit-full-screen .timer-panel.active {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}
:-webkit-full-screen .tool-btn { color: var(--navbar-text); }
:-webkit-full-screen .timer-tabs { display: none; }
:-webkit-full-screen .panel-tools { padding: 0.75rem 1rem; }
:-webkit-full-screen .timer-display { font-size: clamp(60px, 15vw, 200px); }

:-ms-fullscreen .timer-card {
    border: none;
    box-shadow: none;
}

:fullscreen .timer-card {
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    height: 100vh;
    background-color: var(--bg-primary);
}

:fullscreen .timer-panel.active {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

:fullscreen .tool-btn,
.fullscreen-brand .tool-btn {
    color: var(--text-secondary);
}

.fullscreen-brand .panel-tools {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

:fullscreen .timer-display {
    font-size: clamp(60px, 15vw, 200px);
}

:fullscreen .timer-display-labels {
    font-size: 1rem;
}