:root {
    --bg-dark: #0b1120;
    --bg-main: #0b1120;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-input: rgba(15, 23, 42, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #fbbf24;
    --accent-hover: #f59e0b;
    --accent-glow: rgba(251, 191, 36, 0.4);
    --border-color: rgba(51, 65, 85, 0.5);
    --danger: #ef4444;
    --success: #10b981;
    --radius: 12px;
    --container-width: 1200px;
    --glass-blur: blur(12px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.text-accent {
    color: var(--accent);
}

/* Navbar */
.navbar {
    background-color: rgba(11, 17, 32, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-main);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent);
}

.auth-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    font-size: 0.95rem;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #f59e0b 100%);
    color: #000;
    border: none;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(45deg) translateY(-100%);
    transition: transform 0.6s;
}

.btn-primary:hover::after {
    transform: rotate(45deg) translateY(100%);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.5);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background-color: rgba(251, 191, 36, 0.1);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-main);
}

.btn-ghost:hover {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-dark {
    background-color: var(--bg-input);
    color: white;
}

.btn-dark:hover {
    background-color: #475569;
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-success {
    background-color: var(--success);
    color: white;
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Footer */
.footer {
    background-color: var(--bg-card);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-brand span {
    color: var(--accent);
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Forms & Card Aesthetics */
.brand-premium-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.brand-premium-card:hover {
    border-color: rgba(251, 191, 36, 0.3);
}
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 70px - 250px);
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.auth-wrapper::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(251,191,36,0.1) 0%, rgba(11,17,32,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.auth-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.auth-card:hover {
    border-color: rgba(251, 191, 36, 0.3);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.auth-header p {
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(251, 191, 36, 0.05);
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.15);
}

select.form-control option {
    background-color: var(--bg-dark);
    color: var(--text-main);
}

.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-upload-wrapper input[type=file] {
    font-size: 100px;
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
    height: 100%;
}

.file-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--bg-input);
    border: 1px dashed var(--accent);
    border-radius: var(--radius);
    padding: 20px;
    width: 100%;
    color: var(--text-muted);
    text-align: center;
    transition: all 0.3s;
}

.file-upload-wrapper:hover .file-upload-btn {
    background-color: rgba(251, 191, 36, 0.05);
    color: var(--accent);
}

.alert {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Layout Utilities */
.grid {
    display: grid;
}

.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
}