/* ============================================
   ONLYPEARL LUXURY DESIGN SYSTEM - COMPOSANTS PREMIUM
   ============================================ */

:root {
    /* OnlyPearl Advanced Color Palette */
    --coral-50: #fff5f4;
    --coral-100: #ffe9e7;
    --coral-200: #ffded9;
    --coral-300: #ffbeb5;
    --coral-400: #ff9e92;
    --coral-500: #ff8a79; /* Primary coral */
    --coral-600: #ff6b5a;
    --coral-700: #f04438;
    --coral-800: #d92d20;
    --coral-900: #b91c1c;

    --gold-50: #fffbeb;
    --gold-100: #fef3c7;
    --gold-200: #fde68a;
    --gold-300: #fcd34d;
    --gold-400: #fbbf24;
    --gold-500: #d4af37; /* Primary gold */
    --gold-600: #b8941e;
    --gold-700: #92700f;
    --gold-800: #78510b;
    --gold-900: #653d0a;

    /* Advanced Design Tokens */
    --shadow-luxury: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-luxury-colored: 0 20px 40px -4px rgba(255, 138, 121, 0.4);
    --shadow-inset-luxury: inset 0 2px 4px 0 rgba(255, 255, 255, 0.1);
    
    /* Advanced Gradients */
    --gradient-coral-gold: linear-gradient(135deg, var(--coral-500) 0%, var(--coral-600) 25%, var(--gold-500) 75%, var(--gold-400) 100%);
    --gradient-luxury-bg: radial-gradient(ellipse at top, rgba(255, 138, 121, 0.1), transparent 70%), 
                          radial-gradient(ellipse at bottom, rgba(212, 175, 55, 0.1), transparent 70%);
    
    /* Animation Curves */
    --ease-luxury: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-smooth: cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* ============================================
   LUXURY BUTTON SYSTEM
   ============================================ */

.btn-luxury {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.4;
    text-decoration: none;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s var(--ease-luxury);
    overflow: hidden;
    user-select: none;
    transform: translateZ(0); /* GPU acceleration */
    
    /* Hover glow effect */
    &::before {
        content: '';
        position: absolute;
        inset: -2px;
        border-radius: inherit;
        padding: 2px;
        background: var(--gradient-coral-gold);
        mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask-composite: xor;
        opacity: 0;
        transition: opacity 0.3s var(--ease-luxury);
        z-index: -1;
    }
    
    &:hover::before {
        opacity: 1;
    }
    
    /* Ripple effect */
    &::after {
        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;
        z-index: 0;
    }
    
    &:active::after {
        width: 300px;
        height: 300px;
        transition: width 0.1s, height 0.1s;
    }
}

.btn-primary-luxury {
    background: var(--gradient-coral-gold);
    color: white;
    box-shadow: var(--shadow-luxury-colored);
    
    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 32px 64px -8px rgba(255, 138, 121, 0.5);
    }
    
    &:active {
        transform: translateY(-1px);
    }
}

.btn-secondary-luxury {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-inset-luxury);
    
    &:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: var(--coral-500);
        transform: translateY(-1px);
    }
}

.btn-ghost-luxury {
    background: transparent;
    color: var(--coral-500);
    border: 2px solid var(--coral-500);
    
    &:hover {
        background: var(--coral-500);
        color: white;
        transform: scale(1.05);
        box-shadow: var(--shadow-luxury-colored);
    }
}

/* ============================================
   LUXURY CARD SYSTEM
   ============================================ */

.card-luxury {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    box-shadow: var(--shadow-luxury);
    transition: all 0.4s var(--ease-luxury);
    position: relative;
    overflow: hidden;
    
    /* Subtle gradient overlay */
    &::before {
        content: '';
        position: absolute;
        inset: 0;
        background: var(--gradient-luxury-bg);
        opacity: 0.5;
        z-index: -1;
    }
    
    &:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: 0 40px 80px -8px rgba(0, 0, 0, 0.3);
        border-color: rgba(255, 138, 121, 0.3);
    }
}

.card-profile-luxury {
    @extend .card-luxury;
    transition: all 0.3s var(--ease-smooth);
    
    &:hover {
        transform: translateY(-12px);
        box-shadow: 0 25px 50px -12px rgba(255, 138, 121, 0.4);
        
        .profile-image {
            transform: scale(1.05);
        }
        
        .profile-overlay {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .profile-image {
        transition: transform 0.5s var(--ease-luxury);
        border-radius: 0.75rem;
        overflow: hidden;
    }
    
    .profile-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
        padding: 1.5rem;
        opacity: 0;
        transform: translateY(100%);
        transition: all 0.4s var(--ease-luxury);
    }
}

/* ============================================
   LUXURY FORM SYSTEM
   ============================================ */

.form-luxury {
    .form-group {
        position: relative;
        margin-bottom: 1.5rem;
    }
    
    .form-label {
        display: block;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 0.5rem;
        font-size: 0.9rem;
        letter-spacing: 0.025em;
    }
    
    .form-control {
        width: 100%;
        padding: 1rem 1.25rem;
        background: rgba(255, 255, 255, 0.05);
        border: 2px solid rgba(255, 255, 255, 0.1);
        border-radius: 0.75rem;
        color: white;
        font-size: 1rem;
        transition: all 0.3s var(--ease-luxury);
        backdrop-filter: blur(10px);
        
        &::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        
        &:focus {
            outline: none;
            border-color: var(--coral-500);
            box-shadow: 0 0 0 4px rgba(255, 138, 121, 0.1);
            background: rgba(255, 255, 255, 0.08);
        }
        
        &:hover:not(:focus) {
            border-color: rgba(255, 255, 255, 0.2);
        }
    }
    
    .form-select {
        @extend .form-control;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 0.75rem center;
        background-repeat: no-repeat;
        background-size: 1.5em 1.5em;
        padding-right: 2.5rem;
        appearance: none;
    }
    
    .form-checkbox {
        .checkbox-wrapper {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            cursor: pointer;
            
            input[type="checkbox"] {
                position: relative;
                width: 1.25rem;
                height: 1.25rem;
                appearance: none;
                border: 2px solid rgba(255, 255, 255, 0.3);
                border-radius: 0.375rem;
                background: rgba(255, 255, 255, 0.05);
                transition: all 0.3s var(--ease-luxury);
                
                &:checked {
                    background: var(--coral-500);
                    border-color: var(--coral-500);
                    
                    &::after {
                        content: '✓';
                        position: absolute;
                        color: white;
                        font-size: 0.875rem;
                        font-weight: bold;
                        top: 50%;
                        left: 50%;
                        transform: translate(-50%, -50%);
                    }
                }
                
                &:hover:not(:checked) {
                    border-color: var(--coral-400);
                }
            }
            
            label {
                color: rgba(255, 255, 255, 0.9);
                font-weight: 500;
                cursor: pointer;
            }
        }
    }
}

/* ============================================
   LUXURY ANIMATION SYSTEM
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s var(--ease-luxury) forwards;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.5s var(--ease-bounce) forwards;
}

.animate-shimmer {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    background-size: 200% 100%;
    animation: shimmerGold 2s infinite;
}

.animate-pulse-luxury {
    animation: pulse 2s var(--ease-luxury) infinite;
}

/* ============================================
   MICRO-INTERACTIONS & HOVER EFFECTS
   ============================================ */

.hover-lift {
    transition: transform 0.3s var(--ease-luxury);
    
    &:hover {
        transform: translateY(-4px);
    }
}

.hover-glow {
    transition: all 0.3s var(--ease-luxury);
    
    &:hover {
        box-shadow: 0 0 20px rgba(255, 138, 121, 0.4);
    }
}

.hover-scale {
    transition: transform 0.3s var(--ease-luxury);
    
    &:hover {
        transform: scale(1.05);
    }
}

/* ============================================
   LOADING STATES LUXURY
   ============================================ */

.skeleton-luxury {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: shimmerGold 1.5s infinite;
    border-radius: 0.5rem;
}

.loading-spinner-luxury {
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(255, 138, 121, 0.3);
    border-top: 3px solid var(--coral-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE LUXURY
   ============================================ */

@media (max-width: 768px) {
    .btn-luxury {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .card-luxury {
        border-radius: 0.75rem;
        margin: 0.5rem;
    }
    
    .form-control {
        padding: 0.875rem 1rem;
    }
}

@media (max-width: 480px) {
    .btn-luxury {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    .card-luxury {
        border-radius: 0.5rem;
    }
}

/* ============================================
   UTILITY CLASSES LUXURY
   ============================================ */

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.text-gradient-luxury {
    background: var(--gradient-coral-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.border-gradient-luxury {
    position: relative;
    
    &::before {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: inherit;
        padding: 2px;
        background: var(--gradient-coral-gold);
        mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask-composite: xor;
    }
}