/* PAYTRIIC OFFER API - Modern Responsive UI */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #0ea5e9;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --dark2: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --card-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --radius: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    min-height: 100vh;
    color: #e2e8f0;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-animation span {
    position: absolute;
    display: block;
    width: 20px;
    height: 20px;
    background: rgba(99, 102, 241, 0.15);
    animation: float 25s linear infinite;
    bottom: -150px;
    border-radius: 50%;
}

.bg-animation span:nth-child(1) { left: 10%; width: 80px; height: 80px; animation-delay: 0s; }
.bg-animation span:nth-child(2) { left: 20%; width: 40px; height: 40px; animation-delay: 2s; animation-duration: 12s; }
.bg-animation span:nth-child(3) { left: 35%; width: 60px; height: 60px; animation-delay: 4s; }
.bg-animation span:nth-child(4) { left: 50%; width: 30px; height: 30px; animation-delay: 0s; animation-duration: 18s; }
.bg-animation span:nth-child(5) { left: 65%; width: 50px; height: 50px; animation-delay: 3s; }
.bg-animation span:nth-child(6) { left: 80%; width: 70px; height: 70px; animation-delay: 7s; }
.bg-animation span:nth-child(7) { left: 90%; width: 25px; height: 25px; animation-delay: 5s; animation-duration: 15s; }

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(-120vh) rotate(720deg); opacity: 0; }
}

/* Navbar */
.navbar {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1.3rem;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(99, 102, 241, 0.7); }
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
    color: white;
    background: rgba(99, 102, 241, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.7rem 1.4rem;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: #1e293b; }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0 4rem;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.2rem;
    animation: fadeInUp 0.8s ease;
}

.hero p {
    font-size: 1.2rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto 2rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0 4rem;
}

.card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius);
    padding: 1.8rem;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.6rem;
    color: white;
}

.card p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Forms */
.form-container {
    max-width: 420px;
    margin: 3rem auto;
    background: rgba(30, 41, 59, 0.85);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    animation: fadeInUp 0.6s ease;
}

.form-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: white;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.6);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(30, 41, 59, 0.6);
}

th, td {
    padding: 0.9rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

th {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    color: #cbd5e1;
    font-size: 0.9rem;
}

tr:hover td {
    background: rgba(99, 102, 241, 0.05);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius);
    padding: 1.4rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
}

.stat-card .number {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    margin: 0.3rem 0;
}

.stat-card .label {
    color: #94a3b8;
    font-size: 0.85rem;
}

.stat-card.success .number { color: var(--success); }
.stat-card.danger .number { color: var(--danger); }
.stat-card.warning .number { color: var(--warning); }
.stat-card.primary .number { color: var(--primary); }

/* Sidebar Layout for Admin/User */
.layout {
    display: flex;
    min-height: calc(100vh - 70px);
}

.sidebar {
    width: 260px;
    background: rgba(15, 23, 42, 0.95);
    border-right: 1px solid rgba(99, 102, 241, 0.15);
    padding: 1.5rem 0;
    position: sticky;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 1.5rem;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(99, 102, 241, 0.15);
    color: white;
    border-right: 3px solid var(--primary);
}

.main-content {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-x: auto;
}

/* Alert */
.alert {
    padding: 1rem 1.2rem;
    border-radius: 10px;
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--success); color: #6ee7b7; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-info { background: rgba(14, 165, 233, 0.15); border: 1px solid var(--secondary); color: #7dd3fc; }

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.badge-primary { background: rgba(99, 102, 241, 0.2); color: #a5b4fc; }

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: #64748b;
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    margin-top: 3rem;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    }
    .nav-links.show { display: flex; }
    .layout { flex-direction: column; }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid rgba(99, 102, 241, 0.15);
        display: flex;
        overflow-x: auto;
        padding: 0.5rem;
    }
    .sidebar a {
        white-space: nowrap;
        padding: 0.6rem 1rem;
        border-right: none;
        border-bottom: 3px solid transparent;
    }
    .sidebar a.active { border-bottom-color: var(--primary); border-right: none; }
    .main-content { padding: 1rem; }
    .hero { padding: 3rem 0 2rem; }
    .form-container { margin: 1.5rem 1rem; padding: 1.5rem; }
}

/* Code block */
.code-box {
    background: #0f172a;
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    padding: 1.2rem;
    overflow-x: auto;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    color: #a5b4fc;
    margin: 1rem 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.show { display: flex; }

.modal-content {
    background: #1e293b;
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(99, 102, 241, 0.3);
    animation: fadeInUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 { color: white; }

.close-modal {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Utility */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.d-flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.text-muted { color: #94a3b8; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.w-100 { width: 100%; }