/* ============================================
   COMPONENTS - Figma-Quality Mobile Design
   ============================================ */

/* ============================================
   BUTTONS - Clean & Touch-Friendly
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: inherit;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
}

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

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

.btn-primary:hover {
    box-shadow: var(--glow-primary);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-base);
    min-height: 50px;
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    min-height: 36px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    min-height: 40px;
    padding: 0;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.btn-icon:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-arrow {
    transition: transform var(--transition-fast);
    font-size: 1.1em;
}

.btn:hover .btn-arrow {
    transform: translateX(3px);
}

[dir="rtl"] .btn:hover .btn-arrow {
    transform: translateX(-3px);
}

/* ============================================
   FORM ELEMENTS - Clean Inputs
   ============================================ */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0 var(--space-4);
    height: 48px;
    font-size: var(--font-size-base);
    font-family: inherit;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Select */
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
}

[dir="rtl"] .form-select {
    background-position: left var(--space-3) center;
    padding-right: var(--space-4);
    padding-left: var(--space-10);
}

/* Checkbox */
.form-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-500);
    cursor: pointer;
    flex-shrink: 0;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.form-error {
    color: var(--error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ============================================
   CARDS - Clean, Minimal
   ============================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
}

@media (min-width: 768px) {
    .card {
        padding: var(--space-5);
    }
}

.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    color: var(--text-secondary);
}

/* ============================================
   BADGES - Compact Pills
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--info-light);
    color: var(--primary-500);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

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

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

/* ============================================
   PROGRESS BAR
   ============================================ */
.progress {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* ============================================
   AVATAR - Clean Circle
   ============================================ */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: var(--font-size-lg);
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
}

/* ============================================
   UPLOAD AREA
   ============================================ */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-tertiary);
}

.upload-area:hover,
.upload-area.active {
    border-color: var(--primary-500);
    background: rgba(14, 165, 233, 0.05);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    opacity: 0.6;
}

.upload-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ============================================
   MODAL - iOS Style
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

@media (min-width: 640px) {
    .modal-overlay {
        align-items: center;
        padding: var(--space-4);
    }
}

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

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    padding: var(--space-5);
    padding-bottom: calc(var(--space-5) + var(--safe-bottom));
    max-width: 100%;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

@media (min-width: 640px) {
    .modal {
        border-radius: var(--radius-2xl);
        max-width: 420px;
        padding-bottom: var(--space-5);
        transform: scale(0.95);
    }
}

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

@media (min-width: 640px) {
    .modal-overlay.active .modal {
        transform: scale(1);
    }
}

.modal-handle {
    width: 36px;
    height: 4px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-4);
}

@media (min-width: 640px) {
    .modal-handle {
        display: none;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

/* ============================================
   TOAST - Clean Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: calc(var(--space-3) + var(--safe-top));
    left: var(--space-3);
    right: var(--space-3);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

@media (min-width: 640px) {
    .toast-container {
        left: auto;
        max-width: 360px;
    }
}

.toast {
    padding: var(--space-3) var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    animation: toastIn 0.2s ease-out;
    pointer-events: auto;
}

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

.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--error); }
.toast-warning { border-left: 3px solid var(--warning); }

[dir="rtl"] .toast-success { border-left: none; border-right: 3px solid var(--success); }
[dir="rtl"] .toast-error { border-left: none; border-right: 3px solid var(--error); }
[dir="rtl"] .toast-warning { border-left: none; border-right: 3px solid var(--warning); }

/* ============================================
   TABS - Segmented Control Style
   ============================================ */
.tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    gap: var(--space-1);
}

.tab {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    text-align: center;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
    background: none;
    border: none;
    font-family: inherit;
    transition: all var(--transition-fast);
}

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

.tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* Role tabs for auth */
.role-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-1);
    gap: var(--space-1);
    margin-bottom: var(--space-5);
}

.role-tab {
    flex: 1;
    padding: var(--space-3);
    text-align: center;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
    background: none;
    border: none;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.role-tab.active {
    background: var(--gradient-primary);
    color: white;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   THEME TOGGLE ICONS
   ============================================ */
.icon-sun, .icon-moon {
    font-size: 1rem;
    line-height: 1;
}

.icon-sun { display: inline; }
.icon-moon { display: none; }

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

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-3);
    opacity: 0.4;
}

.empty-state-title {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.empty-state-desc {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    max-width: 240px;
    margin: 0 auto;
}

/* ============================================
   SKELETON LOADING
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   LIST ITEMS - Clean Rows
   ============================================ */
.list-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-color);
}

.list-item:last-child {
    border-bottom: none;
}

.list-item-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.list-item-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list-item-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.list-item-action {
    flex-shrink: 0;
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-4) 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ============================================
   GRIDS
   ============================================ */
.grid {
    display: grid;
    gap: var(--space-3);
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}