/* Premium UI Enhancements - Higgsfield/ViewMax Inspired */

/* ===== Micro-Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(139, 92, 246, 0.3); }
    50% { box-shadow: 0 0 40px rgba(139, 92, 246, 0.5); }
}

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

/* ===== Premium Card Styles ===== */
.glass-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        0 0 30px rgba(139, 92, 246, 0.1);
}

/* ===== Premium Buttons ===== */
.btn-premium {
    background: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #3b82f6 100%);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
    border: none;
    color: white;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(139, 92, 246, 0.4);
}

.btn-premium:active {
    transform: translateY(-1px);
}

/* ===== Animated Gradient Text ===== */
.gradient-text-animated {
    background: linear-gradient(135deg, #8b5cf6, #3b82f6, #06b6d4, #8b5cf6);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 4s ease infinite;
}

/* ===== Status Indicators ===== */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.active {
    background: #22c55e;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
}

.status-dot.processing {
    background: #f59e0b;
    animation: pulse-glow 1.5s infinite;
}

.status-dot.error {
    background: #ef4444;
}

/* ===== Premium Input Fields ===== */
.input-premium {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 16px 20px;
    color: #fafafa;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.input-premium:focus {
    outline: none;
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 
        0 0 0 4px rgba(139, 92, 246, 0.1),
        0 0 20px rgba(139, 92, 246, 0.1);
}

.input-premium::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* ===== Loading Skeleton ===== */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.05) 25%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 8px;
}

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

/* ===== Trust Badges ===== */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: #22c55e;
    font-weight: 500;
}

.trust-badge.security {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

/* ===== Tooltip ===== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    font-size: 0.8rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ===== Empty State Premium ===== */
.empty-state-premium {
    text-align: center;
    padding: 60px 40px;
}

.empty-state-premium .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

.empty-state-premium h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-state-premium p {
    color: var(--text-muted);
    margin-bottom: 25px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Feature Badge ===== */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.2));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #a78bfa;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Social Proof Strip ===== */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.social-proof .avatars {
    display: flex;
}

.social-proof .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    background: var(--accent-gradient);
}

.social-proof .avatar:first-child {
    margin-left: 0;
}

/* ===== Progress Bar Premium ===== */
.progress-bar-premium {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-premium .fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* ===== Notification Toast ===== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid #22c55e;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .glass-card {
        border-radius: 12px;
    }
    
    .btn-premium {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .empty-state-premium {
        padding: 40px 20px;
    }
    
    .toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
}