:root {
    --primary-navy: #0a192f;
    --secondary-blue: #112240;
    --accent-gold: #FFD700;
    --accent-slate: #8892b0;
    --text-white: #e6f1ff;
    --background-navy: #020c1b;
    
    --ui-surface: rgba(17, 34, 64, 0.7);
    --ui-border: rgba(100, 255, 218, 0.1);
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--background-navy);
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(10, 25, 47, 0) 0%, rgba(2, 12, 27, 1) 100%),
        url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Header & Nav */
header {
    background: rgba(10, 25, 47, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-gold);
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-login {
    border: 2px solid var(--accent-gold);
    color: var(--accent-gold) !important;
    padding: 0.7rem 1.8rem;
    border-radius: 4px;
    transition: all 0.3s ease !important;
}

.btn-login:hover {
    background: var(--accent-gold);
    color: var(--primary-navy) !important;
}

.hamburger {
    display: none; /* Hidden by default on desktop */
    cursor: pointer;
    background: none;
    border: none;
    color: var(--accent-gold);
    font-size: 1.2rem;
    font-weight: bold;
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }
    .hamburger {
        display: block;
    }
}

/* Layout */
main {
    padding: 4rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Grid System */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Force 3 columns on desktop */
    gap: 2rem;
    margin-top: 4rem;
}

@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    background: var(--ui-surface);
    border: 1px solid var(--ui-border);
    backdrop-filter: blur(10px);
    padding: 3rem 2rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-gold);
    background: rgba(17, 34, 64, 0.9);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.card h3 {
    color: var(--accent-gold);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-family: var(--font-heading);
}

.card p {
    color: var(--accent-slate);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
}

.flash-item {
    background: var(--ui-surface);
    border: 1px solid var(--accent-gold);
    color: var(--text-white);
    padding: 1rem 2rem;
    border-radius: 8px;
    margin-bottom: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    border-left: 4px solid var(--accent-gold);
    animation: slideIn 0.5s ease-out;
}

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

/* Discreet & Logout Styles */
footer {
    padding: 4rem 5% 2rem;
    text-align: center;
    border-top: 1px solid var(--ui-border);
    margin-top: 4rem;
}

.admin-access-discreet {
    margin-bottom: 2rem;
    opacity: 0.15;
    transition: opacity 0.5s ease;
}

.admin-access-discreet:hover {
    opacity: 0.8;
}

.discreet-link {
    color: var(--accent-slate);
    text-decoration: none;
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 300;
}

.footer-bottom {
    font-size: 0.8rem;
    color: var(--accent-slate);
    opacity: 0.5;
}

.btn-logout {
    color: #ff4d4d !important;
    font-size: 0.8rem !important;
}

.btn-logout:hover {
    color: #ff3333 !important;
}