/* ============================================================================
   PROJEKTTAGEBUCH – Student App Styles
   ============================================================================ */

:root {
    --bg-app:         #eef1f5;
    --bg-surface:     #ffffff;
    --text-main:      #17253b;
    --text-soft:      #637188;
    --text-muted:     #94a3b8;
    --line:           #e4eaf2;
    --line-soft:      #eef2f8;
    --blue:           #2563eb;
    --blue-hover:     #1d4ed8;
    --blue-light:     #eff6ff;
    --green:          #16a34a;
    --danger:         #dc2626;
    --navy-1:         #0f172a;
    --navy-2:         #1e293b;
    --radius:         8px;
    --radius-lg:      12px;
    --shadow-sm:      0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md:      0 4px 14px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
}

/* ── Base ──────────────────────────────────────────────────────────────────── */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-app);
    color: var(--text-main);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%) !important;
    border-bottom: none;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    padding: 12px 20px;
}

.navbar-brand {
    font-weight: 700;
    color: #ffffff !important;
    font-size: 16px;
    letter-spacing: -0.01em;
}

.navbar .btn-light {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    font-size: 13px;
    border-radius: var(--radius);
    padding: 6px 12px;
    transition: background 0.15s;
}

.navbar .btn-light:hover {
    background: rgba(255,255,255,0.2);
    color: #ffffff;
}

/* ── Container ─────────────────────────────────────────────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
    transition: box-shadow 0.15s;
}

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

.card-header {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%);
    border-bottom: none;
    padding: 14px 20px;
    font-weight: 600;
    font-size: 14px;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h5 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
}

.card-body {
    padding: 20px;
}

/* ── Form Elements ──────────────────────────────────────────────────────────── */
.form-label {
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
    font-size: 13px;
}

.form-control {
    padding: 9px 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 14px;
    background: #ffffff;
    color: var(--text-main);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control[type="file"] {
    padding: 8px 12px;
    border-style: dashed;
}

.form-control[type="file"]:hover {
    border-color: var(--blue);
}

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn-primary {
    background: var(--blue);
    color: #ffffff;
    border: 1px solid var(--blue);
    border-radius: var(--radius);
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: background 0.12s, transform 0.1s;
}

.btn-primary:hover {
    background: var(--blue-hover);
    border-color: var(--blue-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.12s;
}

.btn-secondary:hover {
    background: var(--line-soft);
}

.btn-success {
    background: var(--green);
    color: #ffffff;
    border: 1px solid var(--green);
    border-radius: var(--radius);
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.12s;
}

.btn-success:hover { background: #15803d; }

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(220,38,38,0.3);
    border-radius: var(--radius);
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.12s;
}

.btn-danger:hover {
    background: rgba(220,38,38,0.06);
    border-color: rgba(220,38,38,0.5);
    color: var(--danger);
}

/* Outline button variants */
.btn-outline-primary {
    background: transparent;
    color: var(--blue);
    border: 1px solid var(--blue);
    border-radius: var(--radius);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.12s;
}
.btn-outline-primary:hover, .btn-outline-primary.active {
    background: var(--blue);
    color: #ffffff;
}

.btn-outline-warning {
    background: transparent;
    color: #d97706;
    border: 1px solid #d97706;
    border-radius: var(--radius);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.12s;
}
.btn-outline-warning:hover {
    background: #d97706;
    color: #ffffff;
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(220,38,38,0.4);
    border-radius: var(--radius);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.12s;
}
.btn-outline-danger:hover {
    background: var(--danger);
    color: #ffffff;
    border-color: var(--danger);
}

/* ── Dashboard Header ───────────────────────────────────────────────────────── */
.dashboard-header {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%);
    border-radius: var(--radius-lg);
    padding: 22px 28px;
    margin-bottom: 20px;
    box-shadow: 0 4px 28px rgba(0,0,0,0.25);
    text-align: center;
}

.dashboard-title {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.025em;
}

.dashboard-nav {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 14px;
}

.btn-nav {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.85);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s;
    white-space: nowrap;
}

.btn-nav:hover {
    background: rgba(255,255,255,0.2);
    color: #ffffff;
}

.btn-nav.active {
    background: #ffffff;
    color: var(--navy-1);
    border-color: #ffffff;
    font-weight: 600;
}

/* ── Entry List ─────────────────────────────────────────────────────────────── */
.list-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.list-group-item {
    background: var(--bg-surface);
    border: 1px solid var(--line-soft);
    border-left: 3px solid var(--blue);
    border-radius: var(--radius) !important;
    padding: 0;
    margin-bottom: 0;
    transition: box-shadow 0.12s, transform 0.1s;
    overflow: hidden;
}

.list-group-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-left-color: var(--blue-hover);
}

/* ── Entry Card Layout ──────────────────────────────────────────────────────── */
.entry-card-container {
    display: flex;
    gap: 0;
}

.entry-icon {
    flex-shrink: 0;
    width: 80px;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    border-right: 1px solid var(--line-soft);
}

.entry-icon img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    opacity: 0.8;
}

.entry-content {
    flex: 1;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.entry-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.entry-date { flex: 1; min-width: 180px; }

.entry-date h6 {
    font-weight: 600;
    color: var(--text-main);
    margin: 0;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.entry-date .date-icon { color: var(--blue); }

.entry-text {
    color: var(--text-soft);
    line-height: 1.5;
    margin: 0;
    font-size: 13px;
}

.entry-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--line-soft);
}

.entry-meta {
    display: flex;
    gap: 6px;
    align-items: center;
}

.entry-badge {
    background: var(--blue-light);
    color: var(--blue);
    border: 1px solid #bfdbfe;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.entry-actions {
    display: flex;
    gap: 4px;
}

.entry-actions .btn {
    border-radius: var(--radius);
    padding: 5px 9px;
    font-size: 12px;
}

/* ── Alerts ─────────────────────────────────────────────────────────────────── */
.alert {
    border-radius: var(--radius);
    border: 1px solid transparent;
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
}

.alert-danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #dc2626;
}

.alert-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #16a34a;
}

.alert-info {
    background: var(--blue-light);
    border-color: #bfdbfe;
    color: #1d4ed8;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

/* ── Spinner ────────────────────────────────────────────────────────────────── */
.spinner-border {
    margin: 40px auto;
    display: block;
    width: 2rem;
    height: 2rem;
    border-width: 0.2em;
    color: var(--blue);
}

/* ── Text helpers ───────────────────────────────────────────────────────────── */
.text-muted {
    color: var(--text-muted) !important;
    font-size: 12px;
}

/* ── Code Elements ──────────────────────────────────────────────────────────── */
code {
    background: var(--blue-light);
    border: 1px solid #bfdbfe;
    padding: 3px 8px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--blue);
    font-weight: 600;
}

/* ── Login Page ─────────────────────────────────────────────────────────────── */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 48px 40px;
    background: url('hintergrund.png') center center / cover no-repeat fixed;
}

.login-card {
    background: var(--bg-surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0,0,0,0.22);
    max-width: 400px;
    width: 100%;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%);
    color: #ffffff;
    padding: 28px 32px;
    text-align: center;
}

.login-header h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.025em;
}

.login-body {
    padding: 28px 32px;
}

/* iPad-freundliche Touch-Targets */
.login-body .form-control {
    min-height: 48px;
    font-size: 16px; /* verhindert Auto-Zoom auf iOS */
}

.login-body .btn-primary {
    min-height: 48px;
    font-size: 16px;
    justify-content: center;
}

@media (max-width: 768px) {
    .login-container {
        padding: 32px 20px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 20px 16px;
    }
    .login-header { padding: 18px 20px; }
    .login-header h2 { font-size: 17px; }
    .login-body { padding: 18px 20px; }
}

/* ── Section Card ───────────────────────────────────────────────────────────── */
.section-card {
    animation: fadeIn 0.2s ease;
}

/* ── Modal overrides ────────────────────────────────────────────────────────── */
.modal-header {
    background: linear-gradient(135deg, var(--navy-1) 0%, var(--navy-2) 100%);
    color: #ffffff;
    border-bottom: none;
    padding: 16px 20px;
}

.modal-title {
    font-size: 15px;
    font-weight: 600;
    color: #ffffff;
}

.btn-close {
    filter: invert(1);
    opacity: 0.7;
}

.modal-footer {
    border-top: 1px solid var(--line-soft);
    padding: 12px 20px;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .container { padding: 16px; }
    .dashboard-header { padding: 18px 20px; border-radius: var(--radius-lg); }
    .dashboard-title { font-size: 17px; }
    .entry-icon { width: 64px; padding: 12px; }
    .entry-icon img { width: 40px; height: 40px; }
    .entry-content { padding: 12px 14px; }
    .login-header { padding: 22px 24px; }
    .login-body { padding: 22px 24px; }
}

@media (max-width: 480px) {
    .entry-card-container { flex-direction: column; }
    .entry-icon {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--line-soft);
        padding: 12px;
        flex-direction: row;
        gap: 10px;
        justify-content: flex-start;
    }
    .dashboard-nav { flex-direction: column; gap: 6px; }
    .btn-nav { width: 100%; justify-content: center; }
    .login-header { padding: 18px 20px; }
    .login-header h2 { font-size: 17px; }
    .login-body { padding: 18px 20px; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Scrollbar ──────────────────────────────────────────────────────────────── */
.list-group::-webkit-scrollbar { width: 6px; }
.list-group::-webkit-scrollbar-track { background: var(--line-soft); border-radius: 3px; }
.list-group::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.list-group::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }