@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("/assets/fonts/Inter-Latin.woff2") format("woff2");
    unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: "Inter";
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
    src: url("/assets/fonts/Inter-LatinExt.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --surface-light: #ffffff;
    --surface-dark: #1e293b;
    --text-light: #1e293b;
    --text-dark: #f1f5f9;
    --text-muted-light: #64748b;
    --text-muted-dark: #94a3b8;
    --border-light: #e2e8f0;
    --border-dark: #334155;
    --success: #22c55e;
    --danger: #ef4444;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "Inter", Arial, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    background: var(--bg-light);
    color: var(--text-light);
    transition: background-color 0.3s, color 0.3s;
}

/* Dark Mode */
body.dark {
    background: var(--bg-dark);
    color: var(--text-dark);
}

body.dark .surface {
    background: var(--surface-dark);
    border-color: var(--border-dark);
}

body.dark .text-muted {
    color: var(--text-muted-dark);
}

body.dark input,
body.dark select,
body.dark textarea {
    background: var(--surface-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1.5rem;
}

body.dark .header {
    border-color: var(--border-dark);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.theme-toggle {
    background: none;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    transition: border-color 0.2s;
}

body.dark .theme-toggle {
    border-color: var(--border-dark);
}

.theme-toggle:hover {
    border-color: var(--primary);
}

/* Canlı Saat */
.live-clock {
    text-align: center;
    padding: 1rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, #1d4ed8 100%);
    border-radius: 12px;
    color: white;
}

.live-date {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.live-time {
    font-size: 2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 2px;
}

@media (max-width: 480px) {
    .live-time {
        font-size: 1.5rem;
    }
}

/* Surface (Card) */
.surface {
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.surface h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

input, select, textarea {
    font-family: inherit;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    background: var(--surface-light);
    color: var(--text-light);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

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

button {
    font-family: inherit;
}
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-light);
    border: 2px solid var(--border-light);
}

body.dark .btn-secondary {
    background: var(--surface-dark);
    color: var(--text-dark);
    border-color: var(--border-dark);
}

.btn-secondary:hover {
    border-color: var(--primary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Countdown Display */
.countdown-display {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.time-unit {
    text-align: center;
    padding: 1rem 0.5rem;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
}

body.dark .time-unit {
    background: var(--bg-dark);
    border-color: var(--border-dark);
}

.time-number {
    font-size: 2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--primary);
}

.time-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted-light);
    margin-top: 0.25rem;
}

body.dark .time-label {
    color: var(--text-muted-dark);
}

/* Counter List */
.counter-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.counter-item {
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1rem;
}

body.dark .counter-item {
    background: var(--surface-dark);
    border-color: var(--border-dark);
}

.counter-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.counter-title {
    font-weight: 600;
    font-size: 1rem;
}

.counter-target {
    font-size: 0.875rem;
    color: var(--text-muted-light);
}

body.dark .counter-target {
    color: var(--text-muted-dark);
}

.counter-item .countdown-display {
    margin: 0.75rem 0;
}

.counter-item .time-number {
    font-size: 1.5rem;
}

.counter-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Completed State */
.counter-item.completed {
    border-color: var(--success);
    background: rgba(34, 197, 94, 0.05);
}

.counter-item.completed .time-number {
    color: var(--success);
}

/* Templates */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.template-btn {
    padding: 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

body.dark .template-btn {
    background: var(--bg-dark);
    border-color: var(--border-dark);
}

.template-btn:hover {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.template-btn .icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.25rem;
}

.template-btn .text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    left: auto;
    width: min(360px, calc(100vw - 2rem));
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    background: var(--surface-dark);
    color: var(--text-dark);
    padding: 0.875rem 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: auto;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(1rem);
    }
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-muted-light);
}

body.dark .footer {
    border-color: var(--border-dark);
    color: var(--text-muted-dark);
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.25rem;
    }

    /* Mobilde "Tümünü Sil" sağa yaslansın */
    .counter-list-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: nowrap;
    }

    #delete-all-btn {
        margin-left: 0;
    }

    /* Select solda kalsın, sonrasındaki buton sağa itilsin */
    .sort-select {
        margin-right: auto;
    }
    
    .countdown-display {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .time-number {
        font-size: 1.5rem;
    }
    
    .counter-item .time-number {
        font-size: 1.25rem;
    }
    
    .btn-group {
        flex-direction: column;
    }

    /* Mobilde yalnızca formun ana butonu tam genişlik */
    .btn-block {
        width: 100%;
    }

    /* Sayaç kartı aksiyonları mobilde daha okunur */
    .counter-header {
        align-items: center;
    }

    .counter-actions {
        flex-direction: column;
    }

    .counter-actions .btn {
        width: 100%;
    }
    
    .templates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet düzeni (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 700px;
        padding: 1rem;
    }

    .counter-list-header {
        align-items: center;
    }

    .counter-list-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .sort-select {
        min-width: 210px;
        margin-right: auto;
    }

    .countdown-display {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.6rem;
    }

    .counter-item .time-number {
        font-size: 1.35rem;
    }

    .counter-header {
        align-items: center;
    }

    .counter-actions {
        width: 100%;
    }

    .counter-actions .btn {
        width: auto;
    }

    .templates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Küçük laptop / büyük tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 900px;
        padding: 1.25rem;
    }

    .surface {
        padding: 1.25rem;
    }

    .counter-list-header {
        align-items: center;
    }

    .counter-list-actions {
        margin-left: auto;
    }

    .sort-select {
        min-width: 220px;
    }

    .counter-header {
        align-items: center;
    }

    .countdown-display {
        gap: 0.65rem;
    }

    .counter-item .time-number {
        font-size: 1.4rem;
    }

    .templates-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Print Styles */
@media print {
    .header button,
    .btn-group,
    .toast-container {
        display: none !important;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Text Utilities */
.text-muted {
    color: var(--text-muted-light);
}

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

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

/* Spacing Utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }

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

/* ===========================================
   Renk Seçici
   =========================================== */
.color-picker {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-option {
    cursor: pointer;
}

.color-option input {
    display: none;
}

.color-swatch {
    display: block;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid transparent;
    transition: all 0.2s;
}

.color-option input:checked + .color-swatch {
    border-color: var(--text-light);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.dark .color-option input:checked + .color-swatch {
    border-color: var(--text-dark);
}

.color-swatch:hover {
    transform: scale(1.1);
}

/* ===========================================
   Tekrarlayan Sayaç Checkbox
   =========================================== */
.checkbox-single {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-single input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-single label {
    cursor: pointer;
    font-size: 0.9rem;
}

/* ===========================================
   Sayaç Listesi Header
   =========================================== */
.counter-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.counter-list-header h2 {
    margin-bottom: 0;
}

.counter-list-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-select {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    background: var(--surface-light);
    color: var(--text-light);
    font-size: 0.8rem;
    cursor: pointer;
}

body.dark .sort-select {
    background: var(--surface-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

/* ===========================================
   Sayaç Renkleri
   =========================================== */
.counter-item[data-color="green"] .countdown-display {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.15));
    border-color: #22c55e;
}
.counter-item[data-color="green"] .time-number {
    color: #22c55e;
}

.counter-item[data-color="purple"] .countdown-display {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(147, 51, 234, 0.15));
    border-color: #a855f7;
}
.counter-item[data-color="purple"] .time-number {
    color: #a855f7;
}

.counter-item[data-color="orange"] .countdown-display {
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(234, 88, 12, 0.15));
    border-color: #f97316;
}
.counter-item[data-color="orange"] .time-number {
    color: #f97316;
}

.counter-item[data-color="pink"] .countdown-display {
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(219, 39, 119, 0.15));
    border-color: #ec4899;
}
.counter-item[data-color="pink"] .time-number {
    color: #ec4899;
}

.counter-item[data-color="red"] .countdown-display {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.15));
    border-color: #ef4444;
}
.counter-item[data-color="red"] .time-number {
    color: #ef4444;
}

/* Tekrarlayan sayaç badge */
.recurring-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
}

/* Paylaşım Menüsü */
.share-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    right: 0;
    background: var(--surface-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    min-width: 150px;
}

body.dark .share-menu {
    background: var(--surface-dark);
    border-color: var(--border-dark);
}

.share-menu.show {
    display: block;
}

.share-menu button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.85rem;
    text-align: left;
}

body.dark .share-menu button {
    color: var(--text-dark);
}

.share-menu button:hover {
    background: var(--bg-light);
}

body.dark .share-menu button:hover {
    background: var(--bg-dark);
}

.counter-actions {
    position: relative;
}
body.dark .template-btn .text {
    color: #fff;
}
.links a {
    text-align: center;
    font-size: 13px;
    display: inline-block;
    padding: 5px 10px;
    margin-right: 3px;
    margin-bottom: 10px;
    border: 1px solid;
    border-radius: 5px;
    text-decoration: none;
    color: inherit;
}
.links a:hover {
    text-decoration: none;
}