/* ============================================================
   style-guide.css – Digitale Praxis Design System
   Apple-inspiriert: minimalistisch, viel White-Space, subtile Tiefe
   ============================================================ */

/* ── Basis ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

:root {
    /* Brand */
    --color-brand-50:   #f0f4ff;
    --color-brand-100:  #e0e9ff;
    --color-brand-200:  #c7d6fe;
    --color-brand-400:  #7e94f8;
    --color-brand-500:  #6366f1;
    --color-brand-600:  #4f46e5;

    /* Surfaces */
    --color-surface:    #ffffff;
    --color-surface-50: #fafafa;
    --color-surface-100:#f5f5f7;
    --color-surface-200:#ebebed;

    /* Text */
    --color-text-primary:   #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-tertiary:  #aeaeb2;

    /* Borders */
    --color-border:         #e5e5ea;
    --color-border-light:   #f2f2f7;

    /* Shadows */
    --shadow-card:    0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
    --shadow-card-md: 0 2px 8px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.06);
    --shadow-inset:   inset 0 1px 2px rgba(0,0,0,0.04);

    /* Spacing */
    --radius-sm:  0.5rem;
    --radius-md:  0.75rem;
    --radius-lg:  1rem;
    --radius-xl:  1.5rem;

    /* Transitions */
    --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.625rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #6e6e73;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    white-space: nowrap;
}
.nav-item:hover {
    background-color: var(--color-surface-100);
    color: var(--color-text-primary);
}
.nav-item--active {
    background-color: var(--color-brand-50);
    color: var(--color-brand-600);
}
.nav-item--active:hover {
    background-color: var(--color-brand-100);
    color: var(--color-brand-600);
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 1.5rem;
    border: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}
.card:hover {
    box-shadow: var(--shadow-card-md);
    transform: translateY(-1px);
}
.card--flat {
    box-shadow: none;
    border: 1px solid var(--color-border);
}
.card--interactive {
    cursor: pointer;
}

/* Dashboard-Widget-Card */
.widget-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 1.25rem 1.5rem;
    border: 1px solid var(--color-border-light);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}
.widget-card:hover {
    box-shadow: var(--shadow-card-md);
    transform: translateY(-2px);
}
.widget-card__icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.widget-card__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
}
.widget-card__value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1;
    letter-spacing: -0.02em;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    border: none;
    text-decoration: none;
    white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
    background-color: var(--color-brand-500);
    color: #fff;
    box-shadow: 0 1px 2px rgba(99,102,241,0.3);
}
.btn-primary:hover {
    background-color: var(--color-brand-600);
    box-shadow: 0 2px 8px rgba(99,102,241,0.35);
}

.btn-secondary {
    background-color: var(--color-surface-100);
    color: var(--color-text-primary);
}
.btn-secondary:hover { background-color: var(--color-surface-200); }

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}
.btn-ghost:hover {
    background-color: var(--color-surface-100);
    color: var(--color-text-primary);
}

.btn-danger {
    background-color: #fff1f2;
    color: #e11d48;
}
.btn-danger:hover { background-color: #ffe4e6; }

.btn-sm {
    padding: 0.3125rem 0.75rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}
.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* ── Formulare ───────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 0.375rem;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    -webkit-appearance: none;
}
.form-input:focus {
    border-color: var(--color-brand-400);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.form-input::placeholder { color: var(--color-text-tertiary); }

.form-select {
    width: 100%;
    padding: 0.625rem 2rem 0.625rem 0.875rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e6e73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 0.625rem center;
    background-size: 1rem;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    appearance: none;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-select:focus {
    border-color: var(--color-brand-400);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

/* ── Badges / Tags ───────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 500;
    white-space: nowrap;
}
.badge-brand  { background: var(--color-brand-50);  color: var(--color-brand-600); }
.badge-green  { background: #f0fdf4; color: #16a34a; }
.badge-yellow { background: #fffbeb; color: #ca8a04; }
.badge-red    { background: #fff1f2; color: #e11d48; }
.badge-gray   { background: var(--color-surface-200); color: var(--color-text-secondary); }

/* ── Tabellen ────────────────────────────────────────────────── */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-card);
}
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    background: var(--color-surface-50);
    border-bottom: 1px solid var(--color-border-light);
}
.table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background-color: var(--color-surface-50); }

/* ── Alerts / Flash Messages ─────────────────────────────────── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}
.alert-success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.alert-error   { background: #fff1f2; color: #be123c; border: 1px solid #fecdd3; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: var(--color-brand-50); color: var(--color-brand-600); border: 1px solid var(--color-brand-200); }

/* ── Modals ──────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}
.modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem 1rem;
    border-bottom: 1px solid var(--color-border-light);
}
.modal-body   { padding: 1.25rem 1.5rem; }
.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border-light);
}

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.page-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
}
.page-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-top: 0.125rem;
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d1d6; border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: #aeaeb2; }

/* ── Animationen ─────────────────────────────────────────────── */
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }