/* =========================================================================
   ThesisBuddy Design System
   Custom theme layered on top of Bootstrap 5.1.
   ========================================================================= */

/* ---------- Tokens ---------- */
:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #0f172a;
    --text-2: #334155;
    --text-muted: #64748b;
    --text-label: #94a3b8;

    --primary: #1e3a8a;
    --primary-600: #1d4ed8;
    --primary-500: #2563eb;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;

    --success: #10b981;
    --success-50: #ecfdf5;
    --warning: #f59e0b;
    --warning-50: #fffbeb;
    --danger: #ef4444;
    --danger-50: #fef2f2;
    --info: #06b6d4;

    --accent-blue:   #2563eb;
    --accent-green:  #16a34a;
    --accent-violet: #7c3aed;
    --accent-orange: #ea580c;
    --accent-pink:   #db2777;
    --accent-teal:   #0d9488;
    --accent-amber:  #b45309;
    --accent-slate:  #475569;

    --radius:    8px;
    --radius-lg: 12px;
    --radius-pill: 999px;

    --sidebar-w: 64px;

    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Reset / base ---------- */
html, body {
    height: 100%;
}
body {
    font-family: var(--font-sans);
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
    line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.01em;
}
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.125rem; }
h4, h5, h6 { font-size: 1rem; }

a { color: var(--primary-600); text-decoration: none; }
a:hover { color: var(--primary); text-decoration: underline; }

.text-muted, .text-secondary { color: var(--text-muted) !important; }

/* Small uppercase tracked label used in cards */
.label-eyebrow {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ---------- App layout: sidebar + main ---------- */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    position: sticky;
    top: 0;
    height: 100vh;
}
.app-sidebar .brand {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.app-sidebar .brand-logo {
    width: 36px;
    height: 36px;
    background-color: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: -0.02em;
}
.app-sidebar .nav-icons {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0 8px;
    flex-grow: 1;
}
.app-sidebar .nav-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: var(--radius);
    font-size: 18px;
    transition: background-color .15s, color .15s;
    text-decoration: none;
    border: 0;
    background: transparent;
}
.app-sidebar .nav-icon:hover {
    background-color: var(--surface-2);
    color: var(--text);
    text-decoration: none;
}
.app-sidebar .nav-icon.active {
    background-color: var(--primary-50);
    color: var(--primary-600);
}
.app-sidebar .user-chip {
    margin: 0 auto;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background-color: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
}
.app-sidebar .user-chip:hover { color: #fff; text-decoration: none; opacity: .92; }

.app-main {
    flex-grow: 1;
    min-width: 0;
    padding: 28px 36px;
    max-width: 1400px;
}

/* ---------- Breadcrumb + page header ---------- */
.page-breadcrumb {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    display: flex;
    gap: 6px;
    align-items: center;
}
.page-breadcrumb a {
    color: var(--text-muted);
}
.page-breadcrumb a:hover {
    color: var(--text);
    text-decoration: none;
}
.page-breadcrumb .sep::before { content: "/"; color: var(--text-label); }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.page-header .page-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}
.page-header .page-subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 2px;
}
.page-header .page-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Year/Chat-style pill button */
.pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-2);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: background-color .15s, border-color .15s;
}
.pill-btn:hover { background-color: var(--surface-2); color: var(--text); text-decoration: none; border-color: var(--border-strong); }
.pill-btn.primary { background-color: var(--primary); color: #fff; border-color: var(--primary); }
.pill-btn.primary:hover { background-color: var(--primary-600); color: #fff; border-color: var(--primary-600); }
.pill-btn select {
    border: 0;
    background: transparent;
    color: var(--text-2);
    padding: 0;
    font: inherit;
    outline: none;
}

/* ---------- Cards ---------- */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: none;
    background-color: var(--surface);
}
.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    font-weight: 600;
    color: var(--text-2);
}
.card-header h5, .card-header .h5 {
    font-size: 0.875rem;
    color: var(--text-2);
    margin: 0;
    font-weight: 600;
}
.card-body { padding: 20px; }

/* Light variant for the Geheimhaltung card */
.card.card-danger-soft {
    background-color: var(--danger-50);
    border-color: #fecaca;
}
.card.card-danger-soft .card-header {
    background-color: transparent;
    border-bottom-color: #fecaca;
    color: var(--danger);
}

/* ---------- Buttons (override Bootstrap) ---------- */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 6px 14px;
    transition: background-color .15s, border-color .15s, color .15s;
}
.btn-sm { padding: 4px 10px; font-size: 0.8125rem; }
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
}
.btn-outline-primary {
    color: var(--primary-600);
    border-color: var(--border-strong);
    background-color: var(--surface);
}
.btn-outline-primary:hover {
    background-color: var(--primary-50);
    color: var(--primary);
    border-color: var(--primary-600);
}
.btn-outline-secondary {
    color: var(--text-2);
    border-color: var(--border-strong);
    background-color: var(--surface);
}
.btn-outline-secondary:hover {
    background-color: var(--surface-2);
    color: var(--text);
    border-color: var(--border-strong);
}
.btn-outline-danger {
    color: var(--danger);
    border-color: #fca5a5;
    background-color: var(--surface);
}
.btn-outline-danger:hover {
    background-color: var(--danger-50);
    color: var(--danger);
    border-color: var(--danger);
}
.btn-success { background-color: var(--success); border-color: var(--success); }
.btn-success:hover { background-color: #0f9d6a; border-color: #0f9d6a; }
.btn-danger { background-color: var(--danger); border-color: var(--danger); }
.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Ghost link button (e.g. "Vorausgefülltes PDF" in DA detail) */
.btn-link-quiet {
    color: var(--text-2);
    background-color: transparent;
    border: 0;
    padding: 6px 10px;
    font-size: 0.875rem;
    text-decoration: none;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-link-quiet:hover { background-color: var(--surface-2); color: var(--text); text-decoration: none; }

/* ---------- Forms (gentle override) ---------- */
.form-control, .form-select {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--surface);
    color: var(--text);
    font-size: 0.875rem;
    padding: 8px 12px;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.form-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-2);
    margin-bottom: 6px;
}

/* ---------- Tables ---------- */
.table {
    --bs-table-bg: transparent;
    margin-bottom: 0;
}
.table > :not(caption) > * > * {
    padding: 12px 16px;
    border-bottom-color: var(--border);
    vertical-align: middle;
}
.table thead th {
    background-color: transparent;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 12px 16px;
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: transparent;
}
.table tbody tr:hover > * { background-color: var(--surface-2); }

/* ---------- Name pill with dot ---------- */
.name-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 0.8125rem;
    color: var(--text-2);
    margin-right: 4px;
    margin-bottom: 4px;
}
.name-pill::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
    flex-shrink: 0;
}
.name-pill.dot-blue   { color: var(--accent-blue); }
.name-pill.dot-green  { color: var(--accent-green); }
.name-pill.dot-violet { color: var(--accent-violet); }
.name-pill.dot-orange { color: var(--accent-orange); }
.name-pill.dot-pink   { color: var(--accent-pink); }
.name-pill.dot-teal   { color: var(--accent-teal); }
.name-pill.dot-amber  { color: var(--accent-amber); }
.name-pill.dot-slate  { color: var(--accent-slate); }
.name-pill .label {
    color: var(--text);
}

/* Map ALL Bootstrap "badge bg-*" labels in the app to a quiet dot-pill style.
   This unifies Meilenstein-Tags, Konfigurations-Tags, Name-Pills etc. — alle
   bekommen statt der bunten Fülle einen kleinen Farb-Punkt + schwarzen Text. */
.badge.bg-primary,
.badge.bg-success,
.badge.bg-info,
.badge.bg-warning,
.badge.bg-danger,
.badge.bg-secondary,
.badge.bg-dark {
    background-color: var(--surface) !important;
    color: var(--text-2) !important;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    font-weight: 500;
    font-size: 0.75rem;
    margin-right: 4px;
    margin-bottom: 2px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1.3;
    vertical-align: middle;
}
.badge.bg-primary::before,
.badge.bg-success::before,
.badge.bg-info::before,
.badge.bg-warning::before,
.badge.bg-danger::before,
.badge.bg-secondary::before,
.badge.bg-dark::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}
.badge.bg-primary::before   { background-color: var(--accent-blue); }
.badge.bg-success::before   { background-color: var(--accent-green); }
.badge.bg-info::before      { background-color: var(--accent-teal); }
.badge.bg-warning::before   { background-color: var(--accent-orange); }
.badge.bg-danger::before    { background-color: var(--danger); }
.badge.bg-secondary::before { background-color: var(--accent-slate); }
.badge.bg-dark::before      { background-color: var(--text); }

/* Falls Bootstrap text-dark drauf legt, neutralisieren. */
.badge.bg-primary.text-dark,
.badge.bg-success.text-dark,
.badge.bg-info.text-dark,
.badge.bg-warning.text-dark,
.badge.bg-danger.text-dark,
.badge.bg-secondary.text-dark,
.badge.bg-dark.text-dark { color: var(--text-2) !important; }

/* ---------- Avatar (initials in colored square) ---------- */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background-color: var(--accent-slate);
    color: #fff;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.02em;
    flex-shrink: 0;
    text-transform: uppercase;
}
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-lg { width: 44px; height: 44px; font-size: 14px; }
.avatar.color-1 { background-color: #1d4ed8; }
.avatar.color-2 { background-color: #0d9488; }
.avatar.color-3 { background-color: #b45309; }
.avatar.color-4 { background-color: #9f1239; }
.avatar.color-5 { background-color: #7c3aed; }
.avatar.color-6 { background-color: #0e7490; }
.avatar.color-7 { background-color: #15803d; }
.avatar.color-8 { background-color: #a21caf; }

.person-card {
    display: flex;
    align-items: center;
    gap: 12px;
}
.person-card .person-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.person-card .person-name {
    font-weight: 500;
    color: var(--text);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.person-card .person-sub {
    color: var(--text-muted);
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Stat card ---------- */
.stat-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: inline-block;
    min-width: 220px;
}
.stat-card .stat-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-label);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
    margin-top: 4px;
}

/* ---------- Status text (small dot + text inline) ---------- */
.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8125rem;
    color: var(--text-2);
}
.status-dot::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}
.status-dot.s-green   { color: var(--accent-green); }
.status-dot.s-orange  { color: var(--accent-orange); }
.status-dot.s-violet  { color: var(--accent-violet); }
.status-dot.s-blue    { color: var(--accent-blue); }
.status-dot.s-slate   { color: var(--accent-slate); }

/* Status pill (filled, e.g. "Abgeschlossen") */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    background-color: var(--surface-2);
    color: var(--text-2);
    border: 1px solid var(--border);
}
.status-pill::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-label);
}
.status-pill.success { background-color: var(--success-50); color: #047857; border-color: #a7f3d0; }
.status-pill.success::before { background-color: var(--success); }
.status-pill.warning { background-color: var(--warning-50); color: #92400e; border-color: #fcd34d; }
.status-pill.warning::before { background-color: var(--warning); }
.status-pill.danger  { background-color: var(--danger-50);  color: #b91c1c; border-color: #fca5a5; }
.status-pill.danger::before  { background-color: var(--danger); }
.status-pill.info    { background-color: var(--primary-50); color: var(--primary-600); border-color: #bfdbfe; }
.status-pill.info::before    { background-color: var(--primary-500); }

/* ---------- Milestone card (breit, primärblauer Rahmen) ---------- */
.milestone-card {
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 16px;
    background-color: var(--surface);
}

/* ---------- Section bar (e.g., "Meilensteine") ---------- */
.section-bar {
    background-color: #1e293b;
    color: #f1f5f9;
    padding: 10px 16px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    font-size: 0.8125rem;
}
.section-bar i { color: #f1f5f9; }

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 12px 14px;
    font-size: 0.875rem;
}
.alert-success { background-color: var(--success-50); color: #047857; border-color: #a7f3d0; }
.alert-warning { background-color: var(--warning-50); color: #92400e; border-color: #fcd34d; }
.alert-danger  { background-color: var(--danger-50);  color: #b91c1c; border-color: #fca5a5; }
.alert-info    { background-color: var(--primary-50); color: var(--primary-600); border-color: #bfdbfe; }

/* ---------- Dropdowns ---------- */
.dropdown-menu {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    padding: 6px;
}
.dropdown-item {
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.875rem;
    color: var(--text-2);
}
.dropdown-item:hover {
    background-color: var(--surface-2);
    color: var(--text);
}
.dropdown-divider { border-top-color: var(--border); }

/* ---------- Modals (light tweak) ---------- */
.modal-content {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.modal-header { border-bottom-color: var(--border); padding: 16px 20px; }
.modal-footer { border-top-color: var(--border); padding: 14px 20px; }
.modal-body  { padding: 20px; }
.modal-title { font-size: 1rem; font-weight: 600; }

/* ---------- Login (2-column) ---------- */
.login-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background-color: var(--surface);
}
.login-layout .login-left {
    padding: 32px 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--border);
}
.login-layout .login-left .brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.login-layout .login-left .brand-row .brand-logo {
    width: 32px; height: 32px;
    background-color: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}
.login-layout .login-left .brand-row .brand-text {
    font-weight: 600;
    color: var(--text);
    font-size: 1rem;
}
.login-layout .login-left .marketing {
    font-size: 1.5rem;
    line-height: 1.4;
    color: var(--text);
    max-width: 480px;
    font-weight: 400;
}
.login-layout .login-left .marketing strong { font-weight: 600; }
.login-layout .login-left .legal {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.login-layout .login-right {
    background-color: var(--surface-2);
    padding: 32px 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-layout .login-card {
    background-color: transparent;
    width: 100%;
    max-width: 400px;
}
.login-layout .login-card h2 {
    font-size: 1.25rem;
    margin-bottom: 4px;
}
.login-layout .login-card .subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 24px;
}

/* ---------- Mobile header (only visible on small screens) ---------- */
.app-mobile-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1030;
}
.app-mobile-bar .brand-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.app-mobile-bar .brand-row .brand-logo {
    width: 32px; height: 32px;
    background-color: var(--primary);
    color: #fff;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px;
}
.app-mobile-bar .brand-row .brand-text {
    font-weight: 600;
    color: var(--text);
}
.app-mobile-bar .menu-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-2);
    font-size: 18px;
}

/* Backdrop for mobile open sidebar */
.app-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.4);
    z-index: 1040;
}
.app-sidebar-backdrop.show { display: block; }

@media (max-width: 768px) {
    /* Login: stacked */
    .login-layout { grid-template-columns: 1fr; }
    .login-layout .login-left { border-right: 0; border-bottom: 1px solid var(--border); padding: 24px; gap: 24px; }
    .login-layout .login-left .marketing { font-size: 1.125rem; }
    .login-layout .login-right { padding: 24px; }

    /* Show mobile bar */
    .app-mobile-bar { display: flex; }

    /* Sidebar becomes off-canvas */
    .app-shell { flex-direction: column; }
    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 240px;
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 1050;
        flex-direction: column;
        padding: 16px 8px;
        box-shadow: 0 10px 30px rgba(15, 23, 42, 0.2);
    }
    .app-sidebar.is-open { transform: translateX(0); }
    .app-sidebar .brand { justify-content: flex-start; padding: 0 12px; margin-bottom: 16px; }
    .app-sidebar .nav-icons { padding: 0 4px; flex-direction: column; align-items: stretch; }
    .app-sidebar .nav-icon {
        width: auto;
        height: 40px;
        justify-content: flex-start;
        padding: 0 14px;
        gap: 10px;
        font-size: 14px;
    }
    .app-sidebar .nav-icon i { font-size: 18px; flex-shrink: 0; }
    /* Beschriftung neben dem Icon nur in Mobile-Sidebar */
    .app-sidebar .nav-icon::after {
        content: attr(title);
        font-size: 14px;
        font-weight: 500;
        color: inherit;
    }

    .app-main { padding: 16px; }

    /* Page header on small screens: stack */
    .page-header { flex-direction: column; align-items: flex-start; }
    .page-header .page-actions { flex-wrap: wrap; }
}