/* ===== ANIMAÇÕES PREMIUM ===== */
@keyframes fadeIn {
    from { 
        opacity: 0;
        transform: translateY(10px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scaleIn {
    from { 
        opacity: 0;
        transform: scale(0.95);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Aplicar animações */
.fade-in {
    animation: fadeIn 0.4s ease-out;
}

.slide-in {
    animation: slideIn 0.5s ease-out;
}

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

/* ===== SKELETON LOADING ===== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--background-alt) 25%,
        var(--surface) 50%,
        var(--background-alt) 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-2);
}

.skeleton-title {
    height: 2rem;
    width: 60%;
    margin-bottom: var(--spacing-4);
}

.skeleton-button {
    height: 2.5rem;
    width: 120px;
    border-radius: var(--radius-full);
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    min-width: 300px;
    padding: var(--spacing-4) var(--spacing-5);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: slideIn 0.3s ease-out;
    z-index: var(--z-tooltip);
    border-left: 4px solid var(--primary);
}

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

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

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

/* ===== PROGRESS BAR ===== */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--background-alt);
    border-radius: var(--radius-full);
    overflow: hidden;
}

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

.progress-bar::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: shimmer 2s infinite;
}

/* ===== TOOLTIPS ===== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--secondary);
    color: white;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: var(--z-tooltip);
}

.tooltip::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--secondary);
    opacity: 0;
    transition: var(--transition);
}

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

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    margin-top: var(--spacing-2);
    padding: var(--spacing-2);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu,
.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.dropdown-item:hover {
    background-color: var(--background-alt);
    color: var(--primary);
}

/* ===== AVATAR ===== */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid white;
    box-shadow: var(--shadow-sm);
}

.avatar-sm {
    width: 32px;
    height: 32px;
}

.avatar-lg {
    width: 64px;
    height: 64px;
}

.avatar-xl {
    width: 96px;
    height: 96px;
}

/* ===== DIVIDER ===== */
.divider {
    height: 1px;
    background: linear-gradient(
        to right,
        transparent,
        var(--background-alt),
        transparent
    );
    margin: var(--spacing-6) 0;
}

/* ===== PULSE ANIMATION ===== */
.pulse {
    animation: pulse 2s infinite;
}

/* ===== HOVER EFFECTS ===== */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(212, 165, 116, 0.4);
}

/* ===== GLASSMORPHISM UTILITIES ===== */
.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: var(--blur);
    backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: var(--blur);
    backdrop-filter: var(--blur);
    border: 1px solid rgba(255, 255, 255, 0.1);
}