/**
 * استایل‌های اصلی برنامه تمرینی
 */

/* ---------- تنظیمات متغیرهای رنگ و فونت ---------- */
:root {
    /* رنگ‌های اصلی */
    --primary-color: #6B46C1;          /* بنفش */
    --primary-dark: #553C9A;           /* بنفش تیره */
    --primary-light: #9F7AEA;          /* بنفش روشن */
    --secondary-color: #ED64A6;        /* صورتی */
    --secondary-dark: #D53F8C;         /* صورتی تیره */
    --secondary-light: #F687B3;        /* صورتی روشن */
    
    /* رنگ‌های خنثی */
    --gray-50: #F7FAFC;
    --gray-100: #EDF2F7;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E0;
    --gray-400: #A0AEC0;
    --gray-500: #718096;
    --gray-600: #4A5568;
    --gray-700: #2D3748;
    --gray-800: #1A202C;
    --gray-900: #171923;
    
    /* رنگ‌های وضعیت */
    --success-color: #48BB78;          /* سبز */
    --error-color: #F56565;            /* قرمز */
    --warning-color: #ECC94B;          /* زرد */
    --info-color: #4299E1;             /* آبی */
    
    /* رنگ‌های پس‌زمینه و متن */
    --background-color: #F7FAFC;       /* پس‌زمینه سایت */
    --card-bg-color: #FFFFFF;          /* پس‌زمینه کارت‌ها */
    --text-color: #2D3748;             /* رنگ متن اصلی */
    --text-light: #718096;             /* رنگ متن روشن */
    
    /* سایه‌ها */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* ارتفاع‌ها */
    --header-height: 60px;
    --footer-height: 60px;
    
    /* انیمیشن‌ها */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* گرد گوشه‌ها */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
}

/* ---------- فونت‌های فارسی ---------- */
@font-face {
    font-family: 'Vazir';
    src: url('fonts/Vazirmatn.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ---------- تنظیمات پایه ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Vazir', Tahoma, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    direction: rtl;
    display: flex;
    flex-direction: column;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

strong, b {
    font-family: 'Vazir', Tahoma, Arial, sans-serif;
    font-weight: 600;
}

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

a:hover, a:focus {
    color: var(--primary-dark);
}

button, input, select, textarea {
    font-family: 'Vazir', Tahoma, Arial, sans-serif;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

button:focus, input:focus, select:focus, textarea:focus {
    outline: none;
}

ul, ol {
    list-style-position: inside;
}

/* ---------- هدر اصلی ---------- */
.main-header {
    height: var(--header-height);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    box-shadow: var(--shadow-md);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-left: 0.5rem;
    filter: brightness(0) invert(1);
    object-fit: contain; /* برای حفظ نسبت تصویر */
}

.app-title {
    font-size: 1.25rem;
    font-weight: bold;
    letter-spacing: -0.025em;
}

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

.btn-header {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.btn-header:hover {
    background: rgba(255, 255, 255, 0.3);
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transition: background var(--transition-fast);
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ---------- محتوای اصلی ---------- */
.app-container {
    flex: 1;
    padding: calc(var(--header-height) + 1rem) 1rem calc(var(--footer-height) + 1rem) 1rem;
    max-width: 100%;
    margin: 0 auto;
    width: 100%;
    overflow-x: hidden;
}

@media (min-width: 640px) {
    .app-container {
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .app-container {
        max-width: 768px;
    }
}

/* ---------- کارت‌های روز ---------- */
.day-selection {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 1rem 0 2rem;
}

.section-title {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title i {
    color: var(--primary-color);
}

.days-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 640px) {
    .days-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.day-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.day-card:hover, .day-card:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.day-card-header {
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    display: flex;
    align-items: center;
    position: relative;
}

.day-number {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: bold;
    margin-left: 0.5rem;
}

.day-progress-container {
    flex: 1;
    height: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    overflow: hidden;
    margin: 0 0.5rem;
}

.day-progress-bar {
    height: 100%;
    background: white;
    border-radius: 999px;
    transition: width var(--transition-normal);
}

.day-progress-text {
    font-size: 0.75rem;
    font-weight: bold;
    min-width: 2rem;
    text-align: left;
}

.day-card-body {
    padding: 1rem;
}

.day-title {
    font-size: 1.125rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.day-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.day-exercises-count, .day-completed-count {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.day-card-footer {
    padding: 0 1rem 1rem;
    display: flex;
    justify-content: flex-end;
}

.btn-view-day {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.btn-view-day:hover, .btn-view-day:focus {
    background-color: var(--primary-dark);
}

/* ---------- صفحه تمرینات روز ---------- */
.workout-day {
    padding: 1rem 0;
}

.day-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.day-title-large {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--gray-800);
}

.day-description {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.day-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
    background: var(--gray-100);
    padding: 0.75rem;
    border-radius: var(--border-radius);
}

.day-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.day-stat-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
}

.day-stat-label {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.exercise-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

/* تمرین‌ها */
.exercise-item {
    display: flex;
    align-items: center;
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.exercise-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.exercise-item.completed {
    background-color: var(--gray-100);
}

.exercise-item.completed .exercise-name {
    text-decoration: line-through;
    color: var(--gray-500);
}

.checkbox-container {
    margin-left: 1rem;
    position: relative;
    cursor: pointer;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.exercise-checkbox {
    opacity: 0;
    position: absolute;
    cursor: pointer;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    background-color: var(--card-bg-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.exercise-checkbox:checked ~ .checkmark {
    background-color: var(--primary-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 8px;
    top: 4px;
    width: 6px;
    height: 11px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.exercise-checkbox:checked ~ .checkmark:after {
    display: block;
}

.exercise-details {
    flex: 1;
}

.exercise-name {
    font-weight: bold;
    margin-bottom: 0.25rem;
    color: var(--gray-800);
}

.exercise-sets {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--gray-200);
    color: var(--gray-700);
}

.badge-sets {
    background-color: var(--primary-light);
    color: white;
}

.badge-reps {
    background-color: var(--secondary-light);
    color: white;
}

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

.btn-exercise-info {
    color: var(--gray-500);
    font-size: 1.25rem;
    transition: color var(--transition-fast);
}

.btn-exercise-info:hover {
    color: var(--primary-color);
}

/* دکمه‌های عملیات روز */
.day-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem;
    border-top: 1px solid var(--gray-200);
}

.btn-reset {
    background-color: var(--error-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color var(--transition-fast);
}

.btn-reset:hover {
    background-color: #E53E3E;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color var(--transition-fast);
}

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
}

/* ---------- مودال تأیید ---------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.show .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: bold;
}

.modal-body {
    padding: 1.5rem 1rem;
}

.modal-message {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--gray-200);
}

.btn-modal-cancel {
    background-color: var(--gray-300);
    color: var(--gray-800);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.btn-modal-cancel:hover {
    background-color: var(--gray-400);
}

.btn-modal-confirm {
    background-color: var(--error-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: background-color var(--transition-fast);
}

.btn-modal-confirm:hover {
    background-color: #E53E3E;
}

/* ---------- اعلان‌ها ---------- */
.notification-container {
    position: fixed;
    top: calc(var(--header-height) + 1rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 900;
    width: 90%;
    max-width: 400px;
    pointer-events: none;
}

.notification {
    background-color: var(--success-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    pointer-events: auto;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

.notification-icon {
    font-size: 1.25rem;
    margin-left: 0.5rem;
}

.notification-message {
    flex: 1;
}

.notification-close {
    margin-right: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.notification-close:hover {
    color: white;
}

.notification.error {
    background-color: var(--error-color);
}

.notification.warning {
    background-color: var(--warning-color);
}

.notification.info {
    background-color: var(--info-color);
}

/* ---------- لودینگ اورلی ---------- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 5px solid var(--primary-light);
    border-bottom-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    color: var(--primary-color);
    font-weight: bold;
}

/* ---------- فوتر ---------- */
.main-footer {
    height: var(--footer-height);
    background-color: var(--gray-100);
    border-top: 1px solid var(--gray-200);
    color: var(--gray-600);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 1rem;
}

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

.love-message {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.version {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ---------- مودال اطلاعات تمرین ---------- */
.exercise-detail-modal .modal-header {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
}

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

.exercise-info-item {
    display: flex;
    gap: 0.5rem;
}

.exercise-info-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
    width: 30px;
    text-align: center;
}

.exercise-info-content {
    flex: 1;
}

.exercise-info-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-bottom: 0.25rem;
}

.exercise-info-value {
    font-weight: bold;
}

.exercise-note {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--gray-100);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.exercise-note:before {
    content: "نکته: ";
    font-weight: bold;
    color: var(--primary-color);
}

/* ---------- صفحات اطلاعات ---------- */
.info-page {
    padding: 1rem 0;
}

.info-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin: 1rem 0;
}

.info-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-light);
    color: white;
    border-radius: 50%;
}

.info-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--gray-800);
}

.info-content {
    color: var(--gray-700);
    line-height: 1.7;
}

.info-content p {
    margin-bottom: 1rem;
}

.info-content ul, .info-content ol {
    margin-bottom: 1rem;
    padding-right: 1.5rem;
}

.info-content li {
    margin-bottom: 0.5rem;
}

.info-content strong {
    color: var(--gray-800);
}

.info-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.info-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: left;
}

/* ---------- انیمیشن‌ها ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fade-in {
    animation: fadeIn var(--transition-normal) forwards;
}

.slide-up {
    animation: slideUp var(--transition-normal) forwards;
}

/* ---------- رسپانسیو ---------- */
@media (min-width: 768px) {
    .app-container {
        padding-top: calc(var(--header-height) + 2rem);
        padding-bottom: calc(var(--footer-height) + 2rem);
    }
    
    .days-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .app-title {
        font-size: 1.1rem;
    }
    
    .day-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .day-stats {
        flex-wrap: wrap;
    }
    
    .day-stat {
        min-width: 80px;
    }
}

/* ---------- استایل‌های تب‌های اطلاعات تمرین ---------- */


.exercise-description-container {
    padding: 0.5rem;
    line-height: 1.8;
}

.exercise-description {
    color: var(--gray-700);
    white-space: pre-line;
}

.exercise-no-description {
    color: var(--gray-500);
    font-style: italic;
    text-align: center;
    padding: 2rem 0;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-icon {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.note-title {
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.exercise-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    background-color: var(--gray-100);
    padding: 0.75rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.metadata-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.metadata-label {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.metadata-value {
    font-weight: bold;
    color: var(--primary-color);
}

.description-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.description-title:before {
    content: "\f05a";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
}

.exercise-description-container {
    padding: 0.5rem 0;
    line-height: 1.8;
}