/* ============================================================================
   Design-Tokens: Petrol/Sand-Palette
   Thematischer Bezug: Postkarten, Küste, Urlaub -- ohne kitschig zu wirken.
   Ersetzt bewusst Bootstraps Standard-Blau (#0d6efd), damit die Oberfläche
   nicht wie unveränderte Bootstrap-Demo wirkt.
   ============================================================================ */
:root {
    --pk-petrol-900: #0a3d44;
    --pk-petrol-700: #14416b;
    --pk-petrol-500: #1d5a8f;
    --pk-petrol-100: #e6eef5;
    --pk-sand-500: #e0a93e;
    --pk-sand-300: #ecc274;
    --pk-sand-100: #fbf2e2;
    --pk-ink: #1f2b2d;
    --pk-ink-soft: #54666a;
    --pk-paper: #fbfaf7;
    --pk-line: #dfe6e4;
    --pk-danger: #b3492f;
    --pk-success: #2f7a5c;

    --bs-primary: var(--pk-petrol-700);
    --bs-primary-rgb: 15, 92, 102;
    --bs-link-color: var(--pk-petrol-700);
    --bs-link-hover-color: var(--pk-petrol-900);
    --bs-body-color: var(--pk-ink);
    --bs-body-bg: var(--pk-paper);
    --bs-border-radius: 0.55rem;
    --bs-border-radius-lg: 0.85rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--pk-ink);
    background: var(--pk-paper);
}

h1, h2, h3, .app-display {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* ============================================================================
   App-Shell: Sidebar + Main
   ============================================================================ */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--pk-petrol-900);
    color: #eef5f4;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.app-sidebar__brand {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.6rem 1.25rem;
    margin-bottom: 0.5rem;
}

.app-sidebar__logo {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    display: block;
}

.app-sidebar__wave {
    color: var(--pk-sand-300);
    font-size: 1.3rem;
}

.app-sidebar__customer {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #9fc3c1;
    padding: 0 0.6rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 0.75rem;
}

.app-sidebar__nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    flex-grow: 1;
}

.app-sidebar__link {
    display: block;
    padding: 0.55rem 0.7rem;
    border-radius: 0.5rem;
    color: #cfe4e2;
    text-decoration: none;
    font-size: 0.92rem;
    transition: background-color 0.15s ease, color 0.15s ease;
    border: none;
    background: none;
    text-align: left;
    width: 100%;
}

.app-sidebar__link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.app-sidebar__link.is-active {
    background: var(--pk-sand-500);
    color: #1f2b2d;
    font-weight: 600;
}

.app-sidebar__divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
    margin: 0.6rem 0.6rem;
}

.app-sidebar__logout {
    margin-top: auto;
    padding-top: 1rem;
}

.app-main {
    flex-grow: 1;
    padding: 2rem 2.5rem;
    max-width: 1200px;
}

/* ============================================================================
   Auth-Seiten (Login)
   ============================================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--pk-petrol-900) 0%, var(--pk-petrol-700) 55%, var(--pk-sand-500) 130%);
    padding: 1.5rem;
}

.auth-card {
    background: var(--pk-paper);
    border-radius: 1rem;
    padding: 2.5rem 2.25rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(10, 61, 68, 0.35);
}

.auth-card__brand {
    margin-bottom: 0.25rem;
    text-align: center;
}

.auth-card__logo {
    max-width: 100%;
    height: auto;
    max-height: 72px;
    display: inline-block;
}

.auth-card__tagline {
    color: var(--pk-ink-soft);
    font-size: 0.9rem;
    margin-bottom: 1.75rem;
}

/* ============================================================================
   Karten / Komponenten
   ============================================================================ */
.pk-card {
    background: #ffffff;
    border: 1px solid var(--pk-line);
    border-radius: var(--bs-border-radius-lg);
    padding: 1.5rem;
}

.pk-stat {
    background: #ffffff;
    border: 1px solid var(--pk-line);
    border-radius: var(--bs-border-radius-lg);
    padding: 1.25rem 1.4rem;
}

.pk-stat__value {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 2.1rem;
    font-weight: 600;
    color: var(--pk-petrol-900);
    line-height: 1.1;
}

.pk-stat__label {
    color: var(--pk-ink-soft);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.pk-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.76rem;
    font-weight: 600;
}

.pk-badge--draft { background: #eef0ef; color: var(--pk-ink-soft); }
.pk-badge--new { background: var(--pk-petrol-100); color: var(--pk-petrol-700); }
.pk-badge--ready { background: #e4f3ec; color: var(--pk-success); }
.pk-badge--printed { background: var(--pk-sand-100); color: var(--pk-sand-500); }
.pk-badge--duplicate { background: #f4e7e3; color: var(--pk-danger); }

.btn-primary {
    background-color: var(--pk-petrol-700);
    border-color: var(--pk-petrol-700);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--pk-petrol-900);
    border-color: var(--pk-petrol-900);
}

.pk-page-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.pk-empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--pk-ink-soft);
}

/* ============================================================================
   WYSIWYG-Editor
   ============================================================================ */
.pk-editor-canvas {
    background: #ffffff;
    border: 1px solid var(--pk-line);
    border-radius: 0.5rem;
    box-shadow: 0 4px 16px rgba(10, 61, 68, 0.08);
    aspect-ratio: 230 / 120;
    position: relative;
    overflow: hidden;
}

.pk-editor-canvas__qr {
    position: absolute;
    width: 70px;
    height: 70px;
    background: #ffffff;
    border: 1px dashed var(--pk-line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--pk-ink-soft);
    text-align: center;
}

@media (max-width: 900px) {
    .app-shell { flex-direction: column; }
    .app-sidebar { width: 100%; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; }
    .app-sidebar__nav { flex-direction: row; flex-wrap: wrap; }
    .app-main { padding: 1.25rem; }
}