/**
 * ============================================
 * ShareGut UX Improvements
 * Hover-Effekte, Animationen und Interaktionen
 * ============================================
 */

/* ============================================
   SMOOTH SCROLLING
   ============================================ */

html {
    scroll-behavior: smooth;
}

/* ============================================
   CARD HOVER EFFECTS
   ============================================ */

.good-card,
.dev-comment-card,
.wish-card,
.category-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.good-card:hover,
.dev-comment-card:hover,
.wish-card:hover,
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.good-card:active,
.dev-comment-card:active {
    transform: translateY(-2px);
}

/* ============================================
   BUTTON EFFECTS
   ============================================ */

.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* ============================================
   LINK HOVER EFFECTS
   ============================================ */

a {
    text-decoration: none;
    color: var(--sg-blue);
    transition: color var(--transition-base);
}

a:hover {
    color: var(--sg-blue-dark);
}

a:focus {
    outline: 2px solid var(--sg-green);
    outline-offset: 2px;
}

/* ============================================
   INPUT FOCUS EFFECTS
   ============================================ */

.form-control:focus {
    transform: scale(1.01);
}

/* ============================================
   LOADING SKELETON
   ============================================ */

.skeleton {
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-line,
.skeleton-button,
.skeleton-icon,
.skeleton-card {
    background: linear-gradient(90deg, 
        var(--surface-hover) 25%, 
        var(--surface-active) 50%, 
        var(--surface-hover) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

.skeleton-line {
    height: 12px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 20px;
    width: 60%;
    margin-bottom: 15px;
}

.skeleton-text {
    width: 100%;
}

.skeleton-button {
    height: 36px;
    width: 100px;
    margin-top: 10px;
}

.skeleton-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-round);
}

.skeleton-card {
    height: 200px;
    margin-bottom: var(--spacing-md);
}

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

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================
   FADE IN ANIMATIONS
   ============================================ */

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

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

/* ============================================
   SLIDE ANIMATIONS
   ============================================ */

.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.3s ease-out;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   PULSE ANIMATION
   ============================================ */

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* ============================================
   BOUNCE ANIMATION
   ============================================ */

.bounce {
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ============================================
   SHAKE ANIMATION (für Fehler)
   ============================================ */

.shake {
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* ============================================
   TOOLTIP
   ============================================ */

.tooltip {
    position: relative;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 6px 12px;
    background: var(--text-primary);
    color: var(--surface);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    border-radius: var(--radius-md);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
    z-index: var(--z-tooltip);
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.tooltip:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(-12px);
}

.tooltip:hover::after {
    opacity: 1;
}

/* ============================================
   DROPDOWN ANIMATIONS
   ============================================ */

.dropdown-menu {
    animation: dropdownSlideIn 0.2s ease-out;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   IMAGE HOVER EFFECTS
   ============================================ */

.image-hover {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.image-hover img {
    transition: transform var(--transition-slow);
}

.image-hover:hover img {
    transform: scale(1.1);
}

/* ============================================
   BADGE PULSE (für Benachrichtigungen)
   ============================================ */

.badge-pulse {
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(59, 202, 43, 0.7);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(59, 202, 43, 0);
    }
}

/* ============================================
   PROGRESS BAR ANIMATION
   ============================================ */

.progress-bar {
    position: relative;
    height: 8px;
    background: var(--surface-hover);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sg-green), var(--sg-green-light));
    border-radius: var(--radius-xl);
    transition: width 0.5s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ============================================
   NOTIFICATION TOAST
   ============================================ */

/* Toast Container */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: 420px;
    width: calc(100% - 40px);
}

@media (max-width: 640px) {
    #toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
        width: auto;
        max-width: none;
    }
}

.toast {
    min-width: 300px;
    max-width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 1rem 1.25rem;
    pointer-events: auto;
    opacity: 0;
    transform: translateX(400px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.toast::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.toast-visible {
    opacity: 1;
    transform: translateX(0);
}

.toast-removing {
    opacity: 0;
    transform: translateX(400px);
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-bottom: 0;
}

.toast-success {
    border-left: 4px solid var(--sharegut-green);
    background: var(--sharegut-green-light);
}

.toast-success::before {
    background: var(--sharegut-green);
    transform: scaleX(1);
}

.toast-success .toast-icon {
    color: var(--sharegut-green-dark);
}

.toast-error {
    border-left: 4px solid var(--sharegut-orange);
    background: var(--sharegut-orange-bg);
}

.toast-error::before {
    background: var(--sharegut-orange);
    transform: scaleX(1);
}

.toast-error .toast-icon {
    color: var(--sharegut-orange);
}

.toast-warning {
    border-left: 4px solid #f59e0b;
    background: #fef3c7;
}

.toast-warning::before {
    background: #f59e0b;
    transform: scaleX(1);
}

.toast-warning .toast-icon {
    color: #d97706;
}

.toast-info {
    border-left: 4px solid var(--sharegut-blue);
    background: var(--sharegut-blue-bg);
}

.toast-info::before {
    background: var(--sharegut-blue);
    transform: scaleX(1);
}

.toast-info .toast-icon {
    color: var(--sharegut-blue);
}

[data-theme="dark"] .toast {
    background: rgba(24, 32, 45, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .toast-success {
    background: rgba(59, 202, 43, 0.15);
    border-left-color: var(--sharegut-green);
}

[data-theme="dark"] .toast-error {
    background: rgba(246, 81, 29, 0.15);
    border-left-color: var(--sharegut-orange);
}

[data-theme="dark"] .toast-warning {
    background: rgba(245, 158, 11, 0.15);
    border-left-color: #f59e0b;
}

[data-theme="dark"] .toast-info {
    background: rgba(0, 53, 122, 0.2);
    border-left-color: var(--sharegut-blue);
}

@keyframes toastSlideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   SPINNER / LOADER
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--surface-hover);
    border-top-color: var(--sg-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 32px;
    color: var(--text-disabled);
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
    transition: opacity var(--transition-base);
}

.empty-state:hover .empty-state-icon {
    opacity: 0.8;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   FOCUS VISIBLE (Accessibility)
   ============================================ */

*:focus-visible {
    outline: 2px solid var(--sg-green);
    outline-offset: 2px;
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-dark);
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-dark) var(--bg-primary);
}

/* ============================================
   SELECTION STYLING
   ============================================ */

::selection {
    background: var(--sg-green-bg);
    color: var(--sg-green-dark);
}

::-moz-selection {
    background: var(--sg-green-bg);
    color: var(--sg-green-dark);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card,
    .section {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}