:root {
    /* Core Palette - Warm & Clean */
    --bg-body: #fdfbf7; /* Very light warm cream/white */
    --bg-card: #ffffff;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --primary-color: #2d3436; /* Dark charcoal for primary actions */
    --accent-color: #e17055; /* Muted Terracotta */
    --accent-hover: #d65d40;
    --border-color: #f1f2f6;

    /* Typography */
    --font-main: 'Rubik', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

/* Navbar - Minimalist & Clean */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
    letter-spacing: -0.5px;
    font-size: 1.25rem;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    margin-left: 1rem;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary) !important;
}

/* Cards - Soft & Elevated */
.card {
    background-color: var(--bg-card);
    border: none;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 2rem;
}

/* Buttons - Modern & Tactile */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.btn-primary:hover {
    background-color: black;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn-outline-primary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background: transparent;
    box-shadow: none;
}

.btn-outline-primary:hover {
    background-color: var(--bg-body);
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-muted {
    color: #b2bec3 !important;
}

/* Table - Clean Rows */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8f9fa;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border: none;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
}

/* Icons */
.display-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    opacity: 0.8;
}

/* RTL Overrides */
html[dir="rtl"] .nav-link {
    margin-left: 0;
    margin-right: 1rem;
}