/* ==============================
   Fußsyndrom Lernbereich
   Custom Styles (ergänzt Bootstrap 5)
   ============================== */

:root {
    --blue: #38bad2;
    --blue-deep: #2a9ab0;
    --blue-dark: #1e7a8c;
    --orange: #f5a623;
    --orange-warm: #ff9f43;
    --text: #1a2a32;
    --text-muted: #5a7a8a;
    --bg: #f8fafb;
    --serif: 'DM Serif Display', Georgia, serif;
    --sans: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;
}

/* Bootstrap overrides */
body {
    font-family: var(--sans);
    color: var(--text);
    background-color: var(--bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, .display-6 {
    font-family: var(--serif);
}

/* Primary color override */
.bg-primary,
.btn-primary {
    background-color: var(--blue) !important;
    border-color: var(--blue) !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--blue-deep) !important;
    border-color: var(--blue-deep) !important;
}

.btn-outline-primary {
    color: var(--blue-deep);
    border-color: var(--blue);
}

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

.text-primary {
    color: var(--blue-deep) !important;
}

a {
    color: var(--blue-deep);
}

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

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--blue-deep), var(--blue)) !important;
    box-shadow: 0 2px 12px rgba(42, 154, 176, 0.15);
}

.navbar-brand {
    font-family: var(--serif);
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}

.navbar .nav-link {
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.navbar .nav-link:hover {
    opacity: 1;
}

/* Login Section */
.login-section {
    padding: 4rem 0;
}

.login-section .card {
    border-radius: 16px;
    overflow: hidden;
}

.login-section .card-body {
    background: #fff;
}

.login-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(56, 186, 210, 0.1), rgba(56, 186, 210, 0.05));
    border-radius: 50%;
}

.form-control:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 0.2rem rgba(56, 186, 210, 0.25);
}

/* Cards */
.card {
    border-radius: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.material-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1) !important;
}

.material-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 12px;
}

/* Badges */
.bg-primary-subtle {
    background-color: rgba(56, 186, 210, 0.1) !important;
}

.text-primary-emphasis {
    color: var(--blue-deep) !important;
}

/* Footer */
.footer {
    background-color: #fff !important;
}

/* Alerts */
.alert-danger {
    background-color: #fdf0f0;
    border-color: #f5c6c6;
    color: #9b2c2c;
}

/* Min height helper */
.min-vh-75 {
    min-height: 75vh;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Orange accent (for future use) */
.accent-orange {
    color: var(--orange);
}

.bg-accent-orange {
    background-color: var(--orange);
}

/* Responsive */
@media (max-width: 768px) {
    .display-6 {
        font-size: 1.75rem;
    }

    .login-section {
        padding: 2rem 0;
    }

    .card-body {
        padding: 1.25rem;
    }
}