/* Dark Theme (Default) */
:root,
html[data-theme="dark"] {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.2);
    --secondary: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --background: #0f172a;
    --surface: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(241, 245, 249, 0.9);
    --input-text: #1e293b;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --brand-gradient: linear-gradient(to right, #818cf8, #34d399);
    --bg-gradient-1: rgba(99, 102, 241, 0.15);
    --bg-gradient-2: rgba(16, 185, 129, 0.1);
}

/* Light Theme */
html[data-theme="light"] {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.1);
    --secondary: #64748b;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --background: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);
    --input-bg: #ffffff;
    --input-text: #0f172a;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --brand-gradient: linear-gradient(to right, #6366f1, #10b981);
    --bg-gradient-1: rgba(99, 102, 241, 0.08);
    --bg-gradient-2: rgba(16, 185, 129, 0.05);
}

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

body {
    background-color: var(--background);
    background-image:
        radial-gradient(at 0% 0%, var(--bg-gradient-1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, var(--bg-gradient-2) 0px, transparent 50%);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 3rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    text-align: left;
    margin-bottom: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

header .brand-area {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
    letter-spacing: -1px;
    white-space: nowrap;
}

header p {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 0;
    border-left: 1px solid var(--glass-border);
    padding-left: 1rem;
    display: block;
}

header .context-area {
    color: var(--secondary);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 1rem;
}

header .user-area {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
}

header .user-area span {
    color: var(--secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header p {
        display: none;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

/* Dashboard Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input,
select,
textarea {
    width: 100%;
    padding: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: var(--input-text);
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input::placeholder {
    color: #94a3b8;
}

/* Question Header */
.question-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.question-meta {
    display: flex;
    gap: 0.5rem;
}

.tag {
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.1);
    color: var(--secondary);
}

/* Matrix Styles */
.matrix-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 0.75rem 0;
        margin-bottom: 1.5rem;
    }

    header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    header .brand-area {
        gap: 0.5rem;
    }

    header h1,
    .mobile-hide {
        display: none !important;
    }

    header p {
        display: none;
    }

    header .context-area {
        font-size: 0.85rem;
        margin-top: -0.25rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .matrix-container {
        grid-template-columns: 1fr;
    }

    h2 {
        font-size: 1.5rem !important;
    }
}