/**
 * ═══════════════════════════════════════════════════════════════════════════
 * SA ĐÉC MARKETING HUB - UI ENHANCEMENTS 2026
 * Micro-animations, Loading States, Hover Effects - Premium Bundle
 *
 * Author: Mekong Agency
 * Version: 1.0.0 | 2026-03-14
 *
 * Includes:
 * - Micro-interactions (button press, toggle, checkbox)
 * - Advanced loading states
 * - Premium hover effects
 * - Scroll-triggered animations
 * - Form element animations
 * - Notification animations
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ═══════════════════════════════════════════════════════════════════════════
   ROOT VARIABLES
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    /* Animation Timing */
    --anim-duration-fast: 150ms;
    --anim-duration-normal: 300ms;
    --anim-duration-slow: 500ms;
    --anim-duration-slower: 800ms;

    /* Easing Functions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out-quad: cubic-bezier(0.45, 0, 0.55, 1);
    --ease-out-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadow Values */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.16);
    --shadow-2xl: 0 30px 60px rgba(0, 0, 0, 0.2);

    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(0, 106, 96, 0.4);
    --glow-secondary: 0 0 20px rgba(156, 104, 0, 0.4);
    --glow-error: 0 0 20px rgba(186, 26, 26, 0.4);
    --glow-success: 0 0 20px rgba(16, 185, 129, 0.4);
}

/* ═══════════════════════════════════════════════════════════════════════════
   MICRO-INTERACTIONS - BUTTON PRESS & FEEDBACK
   ═══════════════════════════════════════════════════════════════════════════ */

/* Button Press Scale */
.btn-press {
    transition: transform var(--anim-duration-fast) var(--ease-smooth),
                box-shadow var(--anim-duration-fast) var(--ease-smooth);
}

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

.btn-press:active {
    transform: translateY(0) scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Button Ripple Container */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Toggle Switch Animation */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 28px;
    background: var(--md-sys-color-outline-variant, #ccc);
    border-radius: 14px;
    cursor: pointer;
    transition: background var(--anim-duration-normal) var(--ease-smooth);
}

.toggle-switch.checked {
    background: var(--md-sys-color-primary, #006A60);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    transition: transform var(--anim-duration-normal) var(--ease-spring);
}

.toggle-switch.checked::after {
    transform: translateX(20px);
}

/* Checkbox Animation */
.checkbox-animated {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-animated input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-animated .checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--md-sys-color-outline, #666);
    border-radius: 4px;
    transition: all var(--anim-duration-fast) var(--ease-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.checkbox-animated input:checked ~ .checkmark {
    background: var(--md-sys-color-primary, #006A60);
    border-color: var(--md-sys-color-primary, #006A60);
}

.checkbox-animated .checkmark::after {
    content: '✓';
    color: white;
    font-size: 14px;
    opacity: 0;
    transform: scale(0);
    transition: all var(--anim-duration-fast) var(--ease-spring);
}

.checkbox-animated input:checked ~ .checkmark::after {
    opacity: 1;
    transform: scale(1);
}

/* Radio Button Animation */
.radio-animated {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-animated input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.radio-animated .radiomark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--md-sys-color-outline, #666);
    border-radius: 50%;
    transition: all var(--anim-duration-fast) var(--ease-smooth);
    position: relative;
}

.radio-animated input:checked ~ .radiomark {
    border-color: var(--md-sys-color-primary, #006A60);
}

.radio-animated .radiomark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    background: var(--md-sys-color-primary, #006A60);
    border-radius: 50%;
    transition: transform var(--anim-duration-fast) var(--ease-spring);
}

.radio-animated input:checked ~ .radiomark::after {
    transform: translate(-50%, -50%) scale(1);
}

/* ═══════════════════════════════════════════════════════════════════════════
   INPUT FIELD ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Floating Label Input */
.input-floating-label {
    position: relative;
    margin-bottom: 16px;
}

.input-floating-label input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--md-sys-color-outline-variant, #ddd);
    border-radius: 8px;
    font-size: 16px;
    background: transparent;
    transition: border-color var(--anim-duration-normal) var(--ease-smooth);
}

.input-floating-label input:focus {
    outline: none;
    border-color: var(--md-sys-color-primary, #006A60);
}

.input-floating-label label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: var(--md-sys-color-on-surface-variant, #666);
    font-size: 16px;
    pointer-events: none;
    transition: all var(--anim-duration-normal) var(--ease-smooth);
    background: transparent;
    padding: 0 4px;
}

.input-floating-label input:focus ~ label,
.input-floating-label input:not(:placeholder-shown) ~ label {
    top: -10px;
    font-size: 12px;
    color: var(--md-sys-color-primary, #006A60);
    background: var(--md-sys-color-surface, #fff);
}

/* Input with Icon Animation */
.input-with-icon {
    position: relative;
}

.input-with-icon input {
    padding-left: 44px;
}

.input-with-icon .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--md-sys-color-outline, #999);
    transition: color var(--anim-duration-normal) var(--ease-smooth);
}

.input-with-icon input:focus ~ .input-icon {
    color: var(--md-sys-color-primary, #006A60);
}

/* Input Validation States */
.input-success {
    border-color: var(--brand-success) !important;
    animation: input-glow-success 0.3s ease;
}

.input-error {
    border-color: var(--brand-error) !important;
    animation: input-shake 0.4s ease;
}

@keyframes input-glow-success {
    0%, 100% { box-shadow: 0 0 0 transparent; }
    50% { box-shadow: 0 0 12px rgba(16, 185, 129, 0.4); }
}

@keyframes input-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   CARD ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Card Hover Lift */
.card-lift {
    transition: transform var(--anim-duration-normal) var(--ease-smooth),
                box-shadow var(--anim-duration-normal) var(--ease-smooth);
}

.card-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Card Spotlight Effect */
.card-spotlight {
    position: relative;
    background: var(--md-sys-color-surface);
    overflow: hidden;
}

.card-spotlight::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(0, 106, 96, 0.1),
        transparent 40%
    );
    opacity: 0;
    transition: opacity var(--anim-duration-normal) var(--ease-smooth);
    pointer-events: none;
}

.card-spotlight:hover::before {
    opacity: 1;
}

/* Card Border Flow */
.card-border-flow {
    position: relative;
    background: var(--md-sys-color-surface);
    border-radius: 12px;
}

.card-border-flow::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: inherit;
    background: linear-gradient(
        90deg,
        var(--brand-primary-500),
        var(--brand-secondary-500),
        var(--brand-tertiary-500),
        var(--brand-primary-500)
    );
    background-size: 300% 100%;
    z-index: -1;
    animation: gradient-flow 4s linear infinite;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    padding: 3px;
    opacity: 0;
    transition: opacity var(--anim-duration-normal) var(--ease-smooth);
}

.card-border-flow:hover::before {
    opacity: 1;
}

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* Card Stagger Animation */
.stagger-container > * {
    opacity: 0;
    transform: translateY(20px);
    animation: stagger-reveal var(--anim-duration-slow) var(--ease-out-expo) forwards;
}

.stagger-container > *:nth-child(1) { animation-delay: 50ms; }
.stagger-container > *:nth-child(2) { animation-delay: 100ms; }
.stagger-container > *:nth-child(3) { animation-delay: 150ms; }
.stagger-container > *:nth-child(4) { animation-delay: 200ms; }
.stagger-container > *:nth-child(5) { animation-delay: 250ms; }
.stagger-container > *:nth-child(6) { animation-delay: 300ms; }
.stagger-container > *:nth-child(7) { animation-delay: 350ms; }
.stagger-container > *:nth-child(8) { animation-delay: 400ms; }

@keyframes stagger-reveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   SCROLL-TRIGGERED ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Scroll Reveal Base */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--anim-duration-slower) var(--ease-out-expo),
                transform var(--anim-duration-slower) var(--ease-out-expo);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Fade In */
.scroll-fade-in {
    opacity: 0;
    transition: opacity var(--anim-duration-slower) var(--ease-out-expo);
}

.scroll-fade-in.revealed {
    opacity: 1;
}

/* Scroll Scale In */
.scroll-scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--anim-duration-slower) var(--ease-out-expo),
                transform var(--anim-duration-slower) var(--ease-out-expo);
}

.scroll-scale-in.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Scroll Blur Reveal */
.scroll-blur-reveal {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(20px);
    transition: opacity var(--anim-duration-slower) var(--ease-out-expo),
                filter var(--anim-duration-slower) var(--ease-out-expo),
                transform var(--anim-duration-slower) var(--ease-out-expo);
}

.scroll-blur-reveal.revealed {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   NOTIFICATION ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Toast Slide In */
.toast-enter {
    animation: toast-slide-in var(--anim-duration-normal) var(--ease-out-expo);
}

@keyframes toast-slide-in {
    from {
        transform: translateY(100%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.toast-exit {
    animation: toast-slide-out var(--anim-duration-normal) var(--ease-in-out-quad);
}

@keyframes toast-slide-out {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(-100%) scale(0.9);
        opacity: 0;
    }
}

/* Notification Bounce */
.notification-bounce {
    animation: notification-bounce var(--anim-duration-slow) var(--ease-spring);
}

@keyframes notification-bounce {
    0% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.95); }
    100% { transform: scale(1); opacity: 1; }
}

/* Badge Pulse */
.badge-pulse {
    position: relative;
}

.badge-pulse::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    animation: badge-pulse-ring 2s ease-out infinite;
}

@keyframes badge-pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   LOADING STATES - ADVANCED
   ═══════════════════════════════════════════════════════════════════════════ */

/* Pulse Dots */
.loading-pulse-dots {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
}

.loading-pulse-dots .dot {
    width: 10px;
    height: 10px;
    background: var(--md-sys-color-primary, #006A60);
    border-radius: 50%;
    animation: pulse-dot 1.4s ease-in-out infinite;
}

.loading-pulse-dots .dot:nth-child(2) { animation-delay: 0.2s; }
.loading-pulse-dots .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse-dot {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Spinel Loading */
.loading-spinner-pro {
    width: 40px;
    height: 40px;
    border: 3px solid var(--md-sys-color-outline-variant, #e0e0e0);
    border-top-color: var(--md-sys-color-primary, #006A60);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Skeleton Shimmer */
.skeleton-shimmer {
    background: linear-gradient(
        90deg,
        var(--md-sys-color-surface-variant, #f0f0f0) 25%,
        var(--md-sys-color-outline-variant, #e0e0e0) 50%,
        var(--md-sys-color-surface-variant, #f0f0f0) 75%
    );
    background-size: 200% 100%;
    animation: shimmer-loading 1.5s ease-in-out infinite;
    border-radius: var(--md-sys-shape-corner-small, 4px);
    color: transparent !important;
}

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

/* Progress Bar Animated */
.progress-bar-animated {
    width: 100%;
    height: 4px;
    background: var(--md-sys-color-outline-variant, #e0e0e0);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-animated .fill {
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--md-sys-color-primary, #006A60),
        var(--brand-primary-400, #26cbb8),
        var(--md-sys-color-primary, #006A60)
    );
    background-size: 200% 100%;
    animation: progress-shimmer 2s ease-in-out infinite;
    transition: width var(--anim-duration-normal) var(--ease-smooth);
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   BADGE & TAG ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Badge Slide In */
.badge-slide-in {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    animation: badge-enter var(--anim-duration-normal) var(--ease-spring);
}

@keyframes badge-enter {
    from {
        transform: scale(0.8) translateX(-10px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateX(0);
        opacity: 1;
    }
}

/* Badge Glow */
.badge-glow {
    position: relative;
}

.badge-glow::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: inherit;
    filter: blur(8px);
    opacity: 0.5;
    animation: badge-glow-pulse 2s ease-in-out infinite;
}

@keyframes badge-glow-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   MODAL & DIALOG ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Modal Fade Scale */
.modal-fade-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity var(--anim-duration-normal) var(--ease-out-expo),
                transform var(--anim-duration-normal) var(--ease-out-expo);
}

.modal-fade-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Modal Slide Up */
.modal-slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--anim-duration-normal) var(--ease-out-expo),
                transform var(--anim-duration-normal) var(--ease-out-expo);
}

.modal-slide-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Backdrop Fade */
.modal-backdrop {
    opacity: 0;
    transition: opacity var(--anim-duration-normal) var(--ease-smooth);
}

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

/* ═══════════════════════════════════════════════════════════════════════════
   TAB ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Tab Indicator Slide */
.tabs-container {
    position: relative;
}

.tabs-indicator {
    position: absolute;
    bottom: 0;
    height: 3px;
    background: var(--md-sys-color-primary, #006A60);
    border-radius: 3px 3px 0 0;
    transition: transform var(--anim-duration-normal) var(--ease-out-expo),
                width var(--anim-duration-normal) var(--ease-out-expo);
}

/* Tab Content Fade */
.tab-content {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--anim-duration-normal) var(--ease-smooth),
                transform var(--anim-duration-normal) var(--ease-smooth);
}

.tab-content.active {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DROPDOWN & MENU ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Dropdown Slide */
.dropdown-menu {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
    transition: opacity var(--anim-duration-fast) var(--ease-out-expo),
                transform var(--anim-duration-fast) var(--ease-out-expo);
    pointer-events: none;
}

.dropdown-menu.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Menu Item Stagger */
.dropdown-menu.active .menu-item {
    opacity: 0;
    animation: menu-item-enter var(--anim-duration-normal) var(--ease-out-expo) forwards;
}

.dropdown-menu.active .menu-item:nth-child(1) { animation-delay: 50ms; }
.dropdown-menu.active .menu-item:nth-child(2) { animation-delay: 100ms; }
.dropdown-menu.active .menu-item:nth-child(3) { animation-delay: 150ms; }
.dropdown-menu.active .menu-item:nth-child(4) { animation-delay: 200ms; }
.dropdown-menu.active .menu-item:nth-child(5) { animation-delay: 250ms; }

@keyframes menu-item-enter {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════════════════ */

/* Transition Utilities */
.transition-all { transition: all var(--anim-duration-normal) var(--ease-smooth); }
.transition-transform { transition: transform var(--anim-duration-normal) var(--ease-smooth); }
.transition-opacity { transition: opacity var(--anim-duration-normal) var(--ease-smooth); }
.transition-shadow { transition: box-shadow var(--anim-duration-normal) var(--ease-smooth); }

/* Delay Utilities */
.delay-75 { animation-delay: 75ms !important; }
.delay-100 { animation-delay: 100ms !important; }
.delay-150 { animation-delay: 150ms !important; }
.delay-200 { animation-delay: 200ms !important; }
.delay-300 { animation-delay: 300ms !important; }
.delay-500 { animation-delay: 500ms !important; }

/* Duration Utilities */
.duration-fast { animation-duration: var(--anim-duration-fast) !important; }
.duration-normal { animation-duration: var(--anim-duration-normal) !important; }
.duration-slow { animation-duration: var(--anim-duration-slow) !important; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    /* Reduce animation complexity on mobile */
    .card-lift:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }

    /* Faster animations for better mobile UX */
    .scroll-reveal,
    .scroll-fade-in,
    .scroll-scale-in,
    .scroll-blur-reveal {
        transition-duration: var(--anim-duration-normal);
    }
}