/* =========================================================
   PEARLBOT – ZENTRALES DESIGN-SYSTEM
   Datei: /css/style.css

   Zweck:
   - Zentrale Farben und Designvariablen
   - Einheitliche Schriftgestaltung
   - Gemeinsame Buttons, Karten und Formulare
   - Einheitliche Tabellen und Statusanzeigen
   - Dezente Hover- und Fokus-Effekte

   Seitenlayouts bleiben in ihren jeweiligen CSS-Dateien.
   ========================================================= */


/* =========================================================
   1. ZENTRALE DESIGNVARIABLEN
   ========================================================= */

:root {
    /* Grundfarben */
    --color-bg: #0b1016;
    --color-bg-elevated: #0f161f;
    --color-surface: #121b25;
    --color-surface-raised: #17222e;
    --color-surface-hover: #1b2936;

    /* PearlBot – Akzentfarben aus dem Logo */
    --color-accent: #35bce8;
    --color-accent-hover: #58c9ed;
    --color-accent-strong: #2099c5;
    --color-accent-soft: rgba(53, 188, 232, 0.09);
    --color-accent-border: rgba(53, 188, 232, 0.24);

    /* Schriftfarben */
    --color-text: #edf2f7;
    --color-text-secondary: #b0bdca;
    --color-text-muted: #8292a2;
    --color-text-disabled: #596979;

    /* Rahmen */
    --color-border: rgba(173, 193, 211, 0.12);
    --color-border-hover: rgba(173, 193, 211, 0.22);
    --color-border-strong: rgba(173, 193, 211, 0.30);

    /* Statusfarben */
    --color-success: #53c99a;
    --color-success-bg: rgba(83, 201, 154, 0.09);
    --color-success-border: rgba(83, 201, 154, 0.22);

    --color-warning: #e9b75c;
    --color-warning-bg: rgba(233, 183, 92, 0.09);
    --color-warning-border: rgba(233, 183, 92, 0.22);

    --color-danger: #e87979;
    --color-danger-bg: rgba(232, 121, 121, 0.09);
    --color-danger-border: rgba(232, 121, 121, 0.22);

    --color-info: #69b9e8;
    --color-info-bg: rgba(105, 185, 232, 0.09);
    --color-info-border: rgba(105, 185, 232, 0.22);

    /* Typografie */
    --font-family: "Inter", "Segoe UI", Arial, sans-serif;
    --font-family-mono: "Consolas", "Courier New", monospace;

    --font-xs: 11px;
    --font-sm: 12px;
    --font-base: 14px;
    --font-md: 15px;
    --font-lg: 18px;
    --font-xl: 22px;
    --font-2xl: 28px;
    --font-3xl: 34px;

    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;

    /* Abstände */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;

    /* Ecken */
    --radius-sm: 6px;
    --radius-md: 9px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 999px;

    /* Schatten – bewusst dezent */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.16);
    --shadow-focus: 0 0 0 3px rgba(53, 188, 232, 0.12);

    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 72px;
    --page-padding: 30px;
    --content-max-width: 1800px;

    /* Übergänge */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}


/* =========================================================
   2. BOX-MODELL UND GRUNDLAGEN
   ========================================================= */

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

html {
    min-height: 100%;
    scroll-behavior: smooth;
    scrollbar-color: #344554 #0b1016;
}

body {
    min-height: 100vh;
    margin: 0;

    color: var(--color-text);
    background: var(--color-bg);

    font-family: var(--font-family);
    font-size: var(--font-base);
    font-weight: var(--weight-normal);
    line-height: 1.6;

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video,
canvas {
    max-width: 100%;
}

img {
    height: auto;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

a {
    color: var(--color-accent);
    text-decoration: none;

    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

::selection {
    color: #07151c;
    background: var(--color-accent);
}


/* =========================================================
   3. SCHRIFTEN UND ÜBERSCHRIFTEN
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-top: 0;

    color: var(--color-text);

    font-family: var(--font-family);
    font-weight: var(--weight-bold);
    line-height: 1.3;

    letter-spacing: -0.25px;
}

h1 {
    margin-bottom: var(--space-3);
    font-size: clamp(25px, 2vw, var(--font-3xl));
    letter-spacing: -0.6px;
}

h2 {
    margin-bottom: var(--space-3);
    font-size: var(--font-2xl);
}

h3 {
    margin-bottom: var(--space-3);
    font-size: var(--font-xl);
}

h4 {
    margin-bottom: var(--space-2);
    font-size: var(--font-lg);
}

h5 {
    margin-bottom: var(--space-2);
    font-size: var(--font-md);
}

h6 {
    margin-bottom: var(--space-2);
    font-size: var(--font-base);
}

p {
    margin-top: 0;
    color: var(--color-text-secondary);
}

small {
    font-size: var(--font-sm);
}

strong,
b {
    font-weight: var(--weight-semibold);
}


/* =========================================================
   4. WIEDERVERWENDBARE TEXTKLASSEN
   ========================================================= */

.text-primary {
    color: var(--color-accent);
}

.text-secondary {
    color: var(--color-text-secondary);
}

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

.text-success {
    color: var(--color-success);
}

.text-warning {
    color: var(--color-warning);
}

.text-danger {
    color: var(--color-danger);
}

.text-info {
    color: var(--color-info);
}

.text-xs {
    font-size: var(--font-xs);
}

.text-sm {
    font-size: var(--font-sm);
}

.text-base {
    font-size: var(--font-base);
}

.text-md {
    font-size: var(--font-md);
}

.text-lg {
    font-size: var(--font-lg);
}

.font-normal {
    font-weight: var(--weight-normal);
}

.font-medium {
    font-weight: var(--weight-medium);
}

.font-semibold {
    font-weight: var(--weight-semibold);
}

.font-bold {
    font-weight: var(--weight-bold);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-nowrap {
    white-space: nowrap;
}

.text-break {
    overflow-wrap: anywhere;
}


/* =========================================================
   5. ALLGEMEINE OBERFLÄCHEN
   Diese Klassen nur verwenden, wenn sie zum HTML passen.
   ========================================================= */

.surface {
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.surface-raised {
    color: var(--color-text);
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.surface-hover {
    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

.surface-hover:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}


/* =========================================================
   6. EINHEITLICHE KARTEN
   ========================================================= */

.card {
    min-width: 0;
    padding: var(--space-6);

    color: var(--color-text);
    background: var(--color-surface);

    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-sm);

    transition:
        background-color var(--transition-normal),
        border-color var(--transition-normal);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;

    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.card-title {
    margin: 0;

    color: var(--color-text);

    font-size: var(--font-lg);
    font-weight: var(--weight-semibold);
}

.card-description {
    margin: var(--space-2) 0 0;

    color: var(--color-text-muted);
    font-size: var(--font-sm);
}


/* =========================================================
   7. EINHEITLICHE BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);

    min-height: 40px;
    padding: 9px 15px;

    color: var(--color-text);
    background: var(--color-surface-raised);

    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-md);

    font-size: var(--font-base);
    font-weight: var(--weight-medium);
    line-height: 1.4;

    text-align: center;
    text-decoration: none;

    cursor: pointer;

    transition:
        color var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.btn:hover {
    color: var(--color-text);
    background: var(--color-surface-hover);
    border-color: var(--color-border-strong);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    color: #07151c;
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    color: #07151c;
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-secondary {
    color: var(--color-text-secondary);
    background: transparent;
    border-color: var(--color-border);
}

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

.btn-danger {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

.btn-danger:hover {
    background: rgba(232, 121, 121, 0.15);
    border-color: rgba(232, 121, 121, 0.35);
}

.btn-success {
    color: var(--color-success);
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.btn-sm {
    min-height: 32px;
    padding: 6px 10px;
    font-size: var(--font-sm);
}

.btn-lg {
    min-height: 46px;
    padding: 11px 19px;
    font-size: var(--font-md);
}


/* =========================================================
   8. FORMULARE
   ========================================================= */

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);

    min-width: 0;
    margin-bottom: var(--space-5);
}

.form-group label,
.form-label {
    color: var(--color-text-secondary);
    font-size: var(--font-sm);
    font-weight: var(--weight-medium);
}

.form-control {
    display: block;

    width: 100%;
    min-width: 0;
    min-height: 42px;

    padding: 10px 12px;

    color: var(--color-text);
    background: var(--color-bg-elevated);

    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-md);

    outline: none;

    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

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

.form-control:hover {
    border-color: var(--color-border-strong);
}

.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-focus);
}

textarea.form-control {
    min-height: 110px;
    resize: vertical;
}


/* =========================================================
   9. TABELLEN
   ========================================================= */

.table-wrapper {
    width: 100%;
    min-width: 0;

    overflow-x: auto;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;

    color: var(--color-text-secondary);
    background: var(--color-bg-elevated);

    border-collapse: collapse;

    font-size: var(--font-sm);
}

.table th {
    padding: 13px 15px;

    color: var(--color-text-secondary);
    background: var(--color-surface);

    border-bottom: 1px solid var(--color-border);

    font-size: var(--font-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.45px;

    text-align: left;
    white-space: nowrap;
}

.table td {
    padding: 13px 15px;

    border-bottom: 1px solid var(--color-border);

    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: 0;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.025);
}


/* =========================================================
   10. STATUSANZEIGEN
   ========================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;

    padding: 4px 9px;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-round);

    font-size: var(--font-xs);
    font-weight: var(--weight-medium);
    line-height: 1.5;

    white-space: nowrap;
}

.badge-primary {
    color: var(--color-accent);
    background: var(--color-accent-soft);
    border-color: var(--color-accent-border);
}

.badge-success {
    color: var(--color-success);
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.badge-warning {
    color: var(--color-warning);
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
}

.badge-danger {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

.badge-info {
    color: var(--color-info);
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
}


/* =========================================================
   11. TRENNLINIEN UND LEERE ZUSTÄNDE
   ========================================================= */

.divider {
    width: 100%;
    height: 1px;

    margin: var(--space-5) 0;

    background: var(--color-border);
    border: 0;
}

.empty-state {
    padding: var(--space-8);

    color: var(--color-text-muted);
    text-align: center;
}

.empty-state p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}


/* =========================================================
   12. FOKUS UND TASTATURBEDIENUNG
   ========================================================= */

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
    outline: none;
}


/* =========================================================
   13. LAYOUT-HILFSKLASSEN
   ========================================================= */

.container {
    width: 100%;
    max-width: var(--content-max-width);
    margin-inline: auto;
}

.flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.grid {
    display: grid;
    gap: var(--space-5);
    min-width: 0;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gap-2 {
    gap: var(--space-2);
}

.gap-3 {
    gap: var(--space-3);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-5 {
    gap: var(--space-5);
}

.w-full {
    width: 100%;
}

.min-w-0 {
    min-width: 0;
}


/* =========================================================
   14. RESPONSIVE BASIS
   ========================================================= */

@media (max-width: 1100px) {
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    :root {
        --page-padding: 16px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: minmax(0, 1fr);
    }

    .card {
        padding: var(--space-4);
    }

    .card-header {
        align-items: flex-start;
    }
}


/* =========================================================
   15. REDUZIERTE BEWEGUNG
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}