/* style.css - Premium Blue and Teal theme for DigitalCoop */
html {
    font-size: 90%;
}
:root {
    --primary-blue: #0A2540;
    --secondary-blue: #1E4ED8;
    --accent-teal: #0D9488;
    --accent-teal-hover: #0F766E;
    --bg-light: #F8FAFC;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Premium Palette Extensions */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-500: #71717a;
    --zinc-800: #27272a;

    --success-bg: #f0fdf4;
    --success-text: #15803d;
    --warning-bg: #fffbeb;
    --warning-text: #b45309;
    --danger-bg: #fef2f2;
    --danger-text: #b91c1c;
    --info-bg: #eff6ff;
    --info-text: #1d4ed8;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

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

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

h1 {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--slate-800);
}

a {
    text-decoration: none;
    color: var(--secondary-blue);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-blue);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--slate-900);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.25;
}

h1 { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.025em; margin-bottom: 1.5rem; }
h2 { font-size: 1.875rem; font-weight: 700; letter-spacing: -0.025em; margin-bottom: 1.25rem; }
h3 { font-size: 1.5rem; font-weight: 600; margin-bottom: 1rem; }
h4 { font-size: 1.25rem; font-weight: 600; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.leading-tight { line-height: 1.25; }
.tracking-tight { letter-spacing: -0.025em; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--secondary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background-color: var(--accent-teal);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background-color: var(--accent-teal-hover);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

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

/* Navigation */
.navbar {
    background-color: var(--white);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
}

.nav-link:hover {
    color: var(--accent-teal);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

/* Utility */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

/* Dashboard specific classes */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    border: 1px solid var(--slate-200);
    transition: all 0.2s ease;
}

.card-elevated {
    box-shadow: var(--shadow-md);
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--slate-300);
}

.card-flat {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    box-shadow: none;
}

.card-gradient-dark {
    background: linear-gradient(135deg, var(--slate-900), var(--slate-800));
    color: white;
    border: none;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}
.alert-success { background-color: #DEF7EC; color: #03543F; border: 1px solid #31C48D; }
.alert-danger { background-color: #FDE8E8; color: #9B1C1C; border: 1px solid #F8B4B4; }

/* Tabs Component */
.tab-container {
    margin-bottom: 2rem;
}
.tab-header {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}
.tab-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
    font-size: 0.9rem;
}
.tab-btn:hover {
    color: var(--primary-blue);
}
.tab-btn.active {
    color: var(--secondary-blue);
}
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-blue);
    border-radius: 3px 3px 0 0;
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 1.5rem;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 100%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}