/* ============================================
   ArtPro+ Tools - Shared Styles
   Consistent styling across all pages
   ============================================ */

:root {
    --primary-color: #003366;
    --primary-dark: #002244;
    --secondary-color: #00a5b5;
    --secondary-dark: #008a99;
    --accent-color: #00c4b4;
    --success-color: #00a5b5;
    --info-color: #00c4b4;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f5f8fa;
    --border-color: #d1e3ed;
    --text-primary: #003366;
    --text-secondary: #5a7a94;
    --shadow-sm: 0 1px 2px 0 rgb(0 51 102 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 51 102 / 0.1), 0 2px 4px -2px rgb(0 51 102 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 51 102 / 0.1), 0 4px 6px -4px rgb(0 51 102 / 0.1);
    --transition: all 0.3s ease;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

/* ============================================
   Navbar Styles
   ============================================ */

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.navbar {
    padding: 0.5rem 0;
    box-shadow: var(--shadow);
}

.navbar-brand {
    font-size: 1.1rem !important;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.navbar-brand .fw-bold {
    font-weight: 700 !important;
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: var(--transition);
    margin: 0 0.125rem;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Page Header Styles
   ============================================ */

.page-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* ============================================
   Card Styles
   ============================================ */

.card {
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-1px);
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
    padding: 0.6rem 1rem;
}

.card-header h5 {
    font-size: 0.9rem;
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #004d80 100%) !important;
    border: none;
}

.card-header.bg-secondary {
    background: linear-gradient(135deg, #5a7a94 0%, #6d8fa8 100%) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%) !important;
}

.card-body {
    padding: 0.75rem 1rem;
}