/* ============================================
   PROFESSIONAL EXCHANGE PLATFORM STYLES
   ============================================ */

:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --success: #10b981;
    --info: #3b82f6;
    --warning: #f59e0b;
    --danger: #ef4444;
    --light: #f8fafc;
    --dark: #1e293b;
    --border: #e2e8f0;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-hover: 0 20px 50px rgba(0,0,0,0.12);
}

/* ========== GLOBAL STYLES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e3e8f0 100%);
    min-height: 100vh;
    line-height: 1.6;
    color: #334155;
}

/* ========== PROFESSIONAL CARDS ========== */
.pro-card {
    background: white;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    position: relative;
    overflow: hidden;
}

.pro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 20px 20px 0 0;
}

.pro-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.pro-card-lg {
    padding: 35px;
}

.pro-card-md {
    padding: 25px;
}

.pro-card-sm {
    padding: 20px;
}

/* ========== PROFESSIONAL BORDERS ========== */
.pro-border {
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 16px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.pro-border-primary {
    border-color: rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.pro-border-success {
    border-color: rgba(16, 185, 129, 0.3);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
}

/* ========== ANIMATIONS ========== */
@keyframes floatUp {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

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

@keyframes pulseGlow {
    0% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(102, 126, 234, 0); }
    100% { box-shadow: 0 0 0 0 rgba(102, 126, 234, 0); }
}

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

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

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

/* ========== ANIMATED ELEMENTS ========== */
.animate-float {
    animation: floatUp 3s ease-in-out infinite;
}

.animate-fadein {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-pulse-glow {
    animation: pulseGlow 2s infinite;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* ========== PROFESSIONAL BUTTONS ========== */
.pro-btn {
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.pro-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
    z-index: -1;
}

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

.pro-btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

.pro-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.pro-btn-outline-primary {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.pro-btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
}

/* ========== BADGES ========== */
.pro-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.pro-badge-primary {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-color: rgba(102, 126, 234, 0.3);
    color: var(--primary);
}

/* ========== LOADING SKELETON ========== */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: 8px;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .pro-card-lg { padding: 25px; }
    .pro-card-md { padding: 20px; }
    .pro-card-sm { padding: 15px; }
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

/* ========== FORM STYLES ========== */
.form-pro {
    background: white;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border);
}

.form-pro .form-control {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 20px;
    font-size: 16px;
    transition: all 0.3s;
}

.form-pro .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-pro label {
    font-weight: 600;
    color: #475569;
    margin-bottom: 8px;
}