:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --dark: #0f172a;
    --light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text: #f1f5f9;
    --input-bg: rgba(15, 23, 42, 0.7);
    --input-border: rgba(255, 255, 255, 0.15);
    --input-text: #f1f5f9;
}

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

body {
    background: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Global Form Input Fix (prevents white-on-white) ── */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
input[type="search"],
input[type="url"],
select,
textarea {
    background: var(--input-bg) !important;
    color: var(--input-text) !important;
    border: 1px solid var(--input-border);
    border-radius: 10px;
    padding: 10px 14px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    font-family: inherit;
    font-size: 14px;
    -webkit-text-fill-color: var(--input-text) !important;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="number"]::placeholder,
input[type="date"]::placeholder,
input[type="tel"]::placeholder,
input[type="search"]::placeholder,
textarea::placeholder {
    color: rgba(148, 163, 184, 0.7);
    -webkit-text-fill-color: rgba(148, 163, 184, 0.7) !important;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important;
}

select option {
    background: #1e293b;
    color: #f1f5f9;
}

/* Autofill override */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px rgba(15, 23, 42, 0.9) inset !important;
    -webkit-text-fill-color: #f1f5f9 !important;
    caret-color: #f1f5f9;
}

/* Glassmorphism Components */
.glass-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

@media (max-width: 640px) {
    .glass-card {
        padding: 15px !important;
    }
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    opacity: 0.8;
    transition: 0.3s;
}

nav ul a:hover {
    opacity: 1;
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(to bottom, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 600px;
    margin-bottom: 40px;
}

/* Sidebar Layout */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }
    .sidebar.open {
        transform: translateX(0);
    }
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 40px;
    padding: 0 10px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    list-style: none;
    flex-grow: 1;
}

.sidebar-nav li {
    margin-bottom: 8px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s;
    font-weight: 500;
    opacity: 0.7;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background: var(--glass);
    opacity: 1;
    color: var(--primary);
}

.sidebar-nav i {
    font-size: 1.2rem;
}

.admin-main {
    flex-grow: 1;
    margin-left: 280px;
    padding: 40px;
    transition: margin 0.3s ease;
    min-width: 0;
}

@media (max-width: 992px) {
    .admin-main {
        margin-left: 0;
        padding: 75px 20px 20px 20px;
    }
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    gap: 20px;
}

@media (max-width: 640px) {
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-header div:last-child {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .admin-header .btn {
        width: 100%;
        text-align: center;
    }
}

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

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