/**
 * Atsakysiu.lt - Main Application Styles
 * Mobile-first dating platform
 */

/* ============================================
   Base Styles & CSS Variables
   ============================================ */

:root {
    --color-primary: #ec4899;
    --color-primary-dark: #db2777;
    --color-secondary: #8b5cf6;
    --color-secondary-dark: #7c3aed;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ============================================
   Skeleton Loading Animation
   ============================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

.dark .skeleton {
    background: linear-gradient(
        90deg,
        #374151 25%,
        #4b5563 50%,
        #374151 75%
    );
    background-size: 200% 100%;
}

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

/* Skeleton shapes */
.skeleton-text {
    height: 1rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    border-radius: 0.25rem;
    width: 60%;
    margin-bottom: 0.75rem;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
}

.skeleton-image {
    width: 100%;
    padding-bottom: 100%;
    border-radius: 0.5rem;
}

.skeleton-card {
    padding: 1rem;
    border-radius: 0.75rem;
    background: white;
}

.dark .skeleton-card {
    background: #1f2937;
}

/* ============================================
   Blur-up Image Loading
   ============================================ */

.blur-up {
    filter: blur(5px);
    transition: filter var(--transition-slow);
}

.blur-up.loaded {
    filter: blur(0);
}

.image-container {
    position: relative;
    overflow: hidden;
    background-color: #f3f4f6;
}

.dark .image-container {
    background-color: #374151;
}

.image-container .placeholder {
    position: absolute;
    inset: 0;
    object-fit: cover;
    filter: blur(20px);
    transform: scale(1.1);
}

.image-container .main-image {
    position: relative;
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.image-container .main-image.loaded {
    opacity: 1;
}

/* ============================================
   Card Styles
   ============================================ */

.card {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dark .card {
    background: #1f2937;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-profile {
    position: relative;
}

.card-profile .badge-verified {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--color-info);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-profile .badge-vip {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-profile .badge-online {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    width: 0.75rem;
    height: 0.75rem;
    background: var(--color-success);
    border: 2px solid white;
    border-radius: 9999px;
}

/* ============================================
   Button Styles
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    outline: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.dark .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-primary);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: #6b7280;
}

.dark .btn-ghost {
    color: #9ca3af;
}

.btn-ghost:hover:not(:disabled) {
    background: #f3f4f6;
}

.dark .btn-ghost:hover:not(:disabled) {
    background: #374151;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: 9999px;
}

.btn-icon.btn-lg {
    width: 3.5rem;
    height: 3.5rem;
}

.btn-like {
    background: white;
    color: #ef4444;
    box-shadow: var(--shadow-md);
}

.btn-like:hover {
    background: #ef4444;
    color: white;
}

.btn-like.active {
    background: #ef4444;
    color: white;
}

/* ============================================
   Form Styles
   ============================================ */

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #374151;
}

.dark .form-label {
    color: #d1d5db;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 0.75rem;
    background: white;
    color: #1f2937;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.dark .form-input {
    background: #374151;
    border-color: #4b5563;
    color: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(236 72 153 / 0.2);
}

.form-input.error {
    border-color: var(--color-danger);
}

.form-error {
    color: var(--color-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ============================================
   Swipe Card Styles
   ============================================ */

.swipe-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    perspective: 1000px;
}

.swipe-card {
    position: absolute;
    width: 100%;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform-origin: center bottom;
    touch-action: none;
    user-select: none;
}

.swipe-card.dragging {
    transition: none;
}

.swipe-card:not(.dragging) {
    transition: transform var(--transition-normal);
}

.swipe-indicator {
    position: absolute;
    top: 2rem;
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: bold;
    font-size: 1.5rem;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.swipe-indicator.like {
    right: 2rem;
    color: var(--color-success);
    border: 4px solid var(--color-success);
    transform: rotate(15deg);
}

.swipe-indicator.nope {
    left: 2rem;
    color: var(--color-danger);
    border: 4px solid var(--color-danger);
    transform: rotate(-15deg);
}

/* ============================================
   Messages Styles
   ============================================ */

.message-bubble {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 1.25rem;
    word-wrap: break-word;
}

.message-bubble.sent {
    background: var(--gradient-primary);
    color: white;
    border-bottom-right-radius: 0.25rem;
    margin-left: auto;
}

.message-bubble.received {
    background: #f3f4f6;
    color: #1f2937;
    border-bottom-left-radius: 0.25rem;
}

.dark .message-bubble.received {
    background: #374151;
    color: white;
}

.message-time {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 0.25rem;
}

/* ============================================
   Emoji Picker Styles
   ============================================ */

.emoji-picker {
    position: absolute;
    bottom: 100%;
    right: 0;
    width: 320px;
    max-width: calc(100vw - 2rem);
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 0.5rem;
    z-index: 50;
    overflow: hidden;
    animation: emoji-picker-in 0.2s ease-out;
}

.dark .emoji-picker {
    background: #1f2937;
}

@keyframes emoji-picker-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.emoji-picker.hidden {
    display: none;
}

.emoji-picker-header {
    padding: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.dark .emoji-picker-header {
    border-bottom-color: #374151;
}

.emoji-tabs {
    display: flex;
    justify-content: space-around;
    gap: 0.25rem;
}

.emoji-tab {
    padding: 0.5rem;
    font-size: 1.25rem;
    border-radius: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    line-height: 1;
}

.emoji-tab:hover {
    background: #f3f4f6;
}

.dark .emoji-tab:hover {
    background: #374151;
}

.emoji-tab.active {
    background: #f3f4f6;
}

.dark .emoji-tab.active {
    background: #374151;
}

.emoji-picker-content {
    padding: 0.75rem;
    max-height: 280px;
    overflow-y: auto;
}

.emoji-category {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 0.25rem;
}

.emoji-category.hidden {
    display: none;
}

.emoji-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
    font-size: 1.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    user-select: none;
}

.emoji-item:hover {
    background: #f3f4f6;
    transform: scale(1.15);
}

.dark .emoji-item:hover {
    background: #374151;
}

.emoji-item:active {
    transform: scale(0.95);
}

/* Emoji picker scrollbar */
.emoji-picker-content::-webkit-scrollbar {
    width: 6px;
}

.emoji-picker-content::-webkit-scrollbar-track {
    background: transparent;
}

.emoji-picker-content::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

.dark .emoji-picker-content::-webkit-scrollbar-thumb {
    background: #4b5563;
}

.emoji-picker-content::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

.dark .emoji-picker-content::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* Mobile responsiveness for emoji picker */
@media (max-width: 400px) {
    .emoji-picker {
        width: calc(100vw - 1rem);
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
    
    .emoji-category {
        grid-template-columns: repeat(7, 1fr);
    }
    
    .emoji-item {
        font-size: 1.35rem;
    }
    
    .emoji-tab {
        font-size: 1.1rem;
        padding: 0.375rem;
    }
}

/* ============================================
   Notification Badge
   ============================================ */

.notification-badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    min-width: 1.25rem;
    height: 1.25rem;
    background: var(--color-danger);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.25rem;
}

/* ============================================
   Photo Grid
   ============================================ */

.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.25rem;
}

.photo-grid-item {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
}

.photo-grid-item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.photo-grid-item:hover img {
    transform: scale(1.05);
}

.photo-grid-item .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.7) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.photo-grid-item:hover .overlay {
    opacity: 1;
}

.photo-grid-item .actions {
    position: absolute;
    bottom: 0.5rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(0.5rem);
    transition: all var(--transition-fast);
}

.photo-grid-item:hover .actions {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Modal Styles
   ============================================ */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 50;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
}

.modal-content {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 1.5rem 1.5rem 0 0;
    padding: 1.5rem;
    z-index: 51;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
    max-height: 90vh;
    overflow-y: auto;
}

.dark .modal-content {
    background: #1f2937;
}

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

@media (min-width: 640px) {
    .modal-content {
        bottom: auto;
        top: 50%;
        left: 50%;
        right: auto;
        width: 100%;
        max-width: 500px;
        border-radius: 1.5rem;
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 0;
    }
    
    .modal-content.active {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

.modal-handle {
    width: 2.5rem;
    height: 0.25rem;
    background: #d1d5db;
    border-radius: 9999px;
    margin: 0 auto 1rem;
}

.dark .modal-handle {
    background: #4b5563;
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    transform: translateX(120%);
    transition: transform var(--transition-normal);
}

.dark .toast {
    background: #1f2937;
}

.toast.active {
    transform: translateX(0);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-danger);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
}

.toast-info {
    border-left: 4px solid var(--color-info);
}

/* ============================================
   Pull to Refresh
   ============================================ */

.pull-to-refresh {
    position: absolute;
    top: -3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: white;
    border-radius: 9999px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transition: opacity var(--transition-fast), top var(--transition-fast);
}

.dark .pull-to-refresh {
    background: #374151;
}

.pull-to-refresh.visible {
    opacity: 1;
    top: 1rem;
}

.pull-to-refresh.refreshing i {
    animation: spin 1s linear infinite;
}

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

/* ============================================
   Infinite Scroll Loader
   ============================================ */

.infinite-loader {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

.infinite-loader .dots {
    display: flex;
    gap: 0.5rem;
}

.infinite-loader .dot {
    width: 0.75rem;
    height: 0.75rem;
    background: var(--color-primary);
    border-radius: 9999px;
    animation: bounce 1.4s infinite ease-in-out both;
}

.infinite-loader .dot:nth-child(1) { animation-delay: -0.32s; }
.infinite-loader .dot:nth-child(2) { animation-delay: -0.16s; }
.infinite-loader .dot:nth-child(3) { animation-delay: 0s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ============================================
   Mobile Bottom Navigation
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e5e7eb;
    padding: 0.5rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    z-index: 40;
}

.dark .bottom-nav {
    background: #1f2937;
    border-color: #374151;
}

.bottom-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: #6b7280;
    text-decoration: none;
    font-size: 0.75rem;
    transition: color var(--transition-fast);
}

.dark .bottom-nav-item {
    color: #9ca3af;
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
    color: var(--color-primary);
}

.bottom-nav-item i {
    font-size: 1.25rem;
}

/* ============================================
   Dark Mode Transition
   ============================================ */

.dark-mode-transition,
.dark-mode-transition *,
.dark-mode-transition *:before,
.dark-mode-transition *:after {
    transition: background-color 0.3s, border-color 0.3s, color 0.3s !important;
}

/* ============================================
   Responsive Utilities
   ============================================ */

@media (max-width: 640px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 641px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Safe area for notched devices */
.safe-area-top {
    padding-top: env(safe-area-inset-top);
}

.safe-area-bottom {
    padding-bottom: env(safe-area-inset-bottom);
}

/* ============================================
   Haptic Feedback Visual
   ============================================ */

.haptic-feedback {
    animation: haptic 0.1s ease;
}

@keyframes haptic {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(0.95); }
}

/* ============================================
   HTMX Loading States
   ============================================ */

/* Loading indicator during HTMX request */
.htmx-loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.htmx-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1rem;
    height: 1rem;
    margin: -0.5rem 0 0 -0.5rem;
    border: 2px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: htmx-spinner 0.6s linear infinite;
}

@keyframes htmx-spinner {
    to { transform: rotate(360deg); }
}

/* HTMX request indicator (global) */
.htmx-indicator {
    opacity: 0;
    transition: opacity 200ms ease-in;
}

.htmx-request .htmx-indicator {
    opacity: 1;
}

.htmx-request.htmx-indicator {
    opacity: 1;
}

/* Empty badge should be hidden */
.empty\:hidden:empty {
    display: none !important;
}

/* Infinite scroll sentinel */
#infinite-scroll-sentinel {
    min-height: 50px;
}