/**
 * AVMonitor - Haupt-CSS-Datei
 * 
 * Diese Datei enthält alle Styles für die AVMonitor-Anwendung.
 * Die Styles sind in logische Sektionen unterteilt und folgen
 * einer BEM-ähnlichen Benennungskonvention für bessere Wartbarkeit.
 * 
 * @package avmonitor
 * @subpackage style
 * @version 1.0.0
 * @author Development Team
 */

/* ==================== CSS-Variablen ==================== */
:root {
    /* Farben */
    --color-primary: #0ea5e9;
    --color-primary-dark: #0284c7;
    --color-primary-light: #e0f2fe;
    --color-secondary: #0ea5e9;
    --color-secondary-dark: #2563eb;
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-success-light: #d1fae5;
    --color-error: #ef4444;
    --color-error-dark: #dc2626;
    --color-error-light: #fee2e2;
    --color-warning: #f97316;
    --color-warning-dark: #ea580c;
    --color-info: #6b7280;
    --color-info-dark: #4b5563;
    --color-info-light: #f3f4f6;

    /* Textfarben */
    --color-text-primary: #1f2937;
    --color-text-secondary: #4b5563;
    --color-text-muted: #6b7280;
    --color-text-inverse: #ffffff;

    /* Hintergrundfarben */
    --color-background: #f5f5f5;
    --color-background-card: #ffffff;
    --color-background-header: #1f2937;

    /* Borderfarben */
    --color-border: #e5e7eb;
    --color-border-focus: #0ea5e9;

    /* Abstände */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    --border-radius-xl: 12px;

    /* Box Shadow */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s;
    --transition-normal: 0.2s;
    --transition-slow: 0.3s;

    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Font Family */
    --font-family-base: 'Arial', sans-serif;
}

/* ==================== Basis-Styles ==================== */
/**
 * Reset und Basis-Styles für alle Elemente
 */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ==================== Layout ==================== */
/**
 * Haupt-Layout-Komponenten wie Container, Grid, Header, Footer
 */

/* Hauptcontainer */
.container {
    max-width: 1400px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-md);
}

/* Grid-System */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

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

/* Header */
.header {
    background-color: var(--color-background-header);
    color: var(--color-text-inverse);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    font-size: 1.2rem;
    color: #ff9800;
    line-height: 1;
    letter-spacing: 3px;
    margin-right: 15px;
}

.header__nav {
    margin: 0;
    padding: 0;
}

.header__nav-list {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    margin: 0;
    padding: 0;
}

.header__nav-link {
    color: var(--color-text-inverse);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-normal);
}

.header__nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.footer__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: var(--spacing-md) 0;
}

/* ==================== Typography ==================== */
/**
 * Text-Styles, Überschriften und typografische Elemente
 */

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.2;
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

p {
    margin: 0 0 var(--spacing-md) 0;
}

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

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

/* ==================== Cards ==================== */
/**
 * Card-Komponenten für die Anzeige von Inhalten
 */
.card {
    background-color: var(--color-background-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card__title {
    margin: 0;
    color: var(--color-text-primary);
}

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

.card__actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ==================== Forms ==================== */
/**
 * Formular-Elemente und zugehörige Styles
 */
.form {
    max-width: 100%;
}

.form__group {
    margin-bottom: var(--spacing-md);
}

.form__label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    background-color: var(--color-background-card);
    color: var(--color-text-primary);
    transition: all var(--transition-normal) ease;
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__textarea {
    resize: vertical;
    min-height: 80px;
}

.form__select {
    cursor: pointer;
}

.form__actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ==================== Buttons ==================== */
/**
 * Button-Komponenten in verschiedenen Varianten
 */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-secondary);
    color: var(--color-text-inverse);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-base);
    margin: 0;
}

.btn:hover {
    background-color: var(--color-secondary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:focus {
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
}

.btn--secondary {
    background-color: var(--color-info);
}

.btn--secondary:hover {
    background-color: var(--color-info-dark);
}

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

.btn--success:hover {
    background-color: var(--color-success-dark);
}

.btn--danger {
    background-color: var(--color-error);
    border: 1px solid transparent;
}

.btn--danger:hover {
    background-color: var(--color-error-dark);
}

.btn--small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

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

.btn--block {
    display: block;
    width: 100%;
}

/* Button mit Icon */
.btn--with-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn__icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
    filter: brightness(0) invert(1);
}

/* Button nur mit Icon (kein Text) */
.btn--icon-only {
    padding: var(--spacing-xs);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    min-height: 2rem;
}

.btn--icon-only .btn__icon {
    width: 1.2rem;
    height: 1.2rem;
}

/* Größenanpassungen für kleine Buttons mit Icons */
.btn--small.btn--icon-only {
    padding: var(--spacing-xs);
}

.btn--small.btn--icon-only .btn__icon {
    width: 1.2rem;
    height: 1.2rem;
}

.btn--small.btn--with-icon .btn__icon {
    width: 1rem;
    height: 1rem;
}

/* ==================== Tables ==================== */
/**
 * Tabellen-Styles für Datenanzeigen
 */
.table-card {
    background-color: var(--color-background-card);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.table-card table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-family: var(--font-family-base);
}

.table-card thead tr {
    background-color: var(--color-info-light);
}

.table-card th,
.table-card td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.table-card th:first-child {
    border-top-left-radius: var(--border-radius-xl);
}

.table-card th:last-child {
    border-top-right-radius: var(--border-radius-xl);
}

.table-card tr:last-child td:first-child {
    border-bottom-left-radius: var(--border-radius-xl);
}

.table-card tr:last-child td:last-child {
    border-bottom-right-radius: var(--border-radius-xl);
}

.table-card tr {
    transition: all var(--transition-normal);
    cursor: pointer;
}

.table-card tr:hover {
    background-color: var(--color-primary-light);
}

/* ==================== Status Badges ==================== */
/**
 * Status-Anzeigen in verschiedenen Farben
 */
.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-text-inverse);
}

.status-badge--neu {
    background-color: #6b7280;
}

.status-badge--offen {
    background-color: var(--color-warning);
}

.status-badge--verteilt {
    background-color: var(--color-secondary);
}

.status-badge--ausgeliefert {
    background-color: var(--color-success);
}

.status-badge--gestoppt {
    background-color: var(--color-error);
}

/* ==================== Upload Components ==================== */
/**
 * Styles für Datei-Upload-Komponenten
 */
.upload-section {
    margin-top: var(--spacing-md);
}

.upload-section-baugruppe {
    border-bottom: 2px solid #0ea5e9;
    padding: 15px;
    background-color: #fffffc;
    margin: 0px;
}

.upload__button {
    /* Erbt alle Standard-Button-Styles */
    background-color: var(--color-success-dark);
    color: var(--color-text-inverse);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    border: 1px solid transparent;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--font-size-base);
    margin: 0;
    padding-bottom: 6px;
}

.upload__button:hover {
    background-color: var(--color-success);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Upload-Button in Baugruppen-Aktionen */
.baugruppe-item__actions .upload__button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    background-color: var(--color-success-dark);
}

.baugruppe-item__actions .upload__button:hover {
    background-color: var(--color-success);
}

.upload__input {
    display: none;
}

.upload__help-text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.4;
}

/* Alte Dropzone-Styles für Abwärtskompatibilität */
.upload__dropzone {
    border: 2px dashed var(--color-info);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    margin-bottom: var(--spacing-md);
    position: relative;
    background-color: var(--color-info-light);
    transition: all var(--transition-normal);
}

.upload__dropzone:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.upload__dropzone.dragover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
}

.upload__text {
    margin: 0;
    color: var(--color-text-secondary);
}

.upload__progress {
    display: none;
    margin-bottom: var(--spacing-md);
}

.upload__progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-info-light);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.upload__progress-fill {
    height: 100%;
    background-color: var(--color-primary);
    width: 0%;
    transition: width var(--transition-normal);
}

.upload__progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-align: center;
    margin: 0;
}

.upload__file-list {
    margin-top: var(--spacing-md);
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-info-light);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xs);
    border: 1px solid #e0e0e0;
}

.file-item__name {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.file-item__actions {
    display: flex;
    gap: var(--spacing-xs);
}

.file-btn {
    text-decoration: none;
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    transition: background-color var(--transition-normal);
}

.file-btn:hover {
    background-color: var(--color-primary-dark);
}

/* ==================== Baugruppen Components ==================== */
/**
 * Styles für Baugruppen-spezifische Komponenten
 */
.baugruppen-list {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: background-color var(--transition-fast);
}

.accordion__header:hover {
    background-color: #e2e8f0;
}

.accordion__icon {
    transition: transform var(--transition-normal);
    font-size: 0.8em;
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
    background-color: #fff;
}

.accordion--open .accordion__icon {
    transform: rotate(180deg);
}

.accordion--open .accordion__content {
    max-height: 500px;
    /* Genug Platz für die Liste */
    overflow-y: auto;
    border-top: 1px solid var(--color-border);
}

.stueckliste-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.stueckliste-table th,
.stueckliste-table td {
    padding: 8px 16px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.stueckliste-table tr:nth-child(even) {
    background-color: #f8fafc;
}

.stueckliste-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--color-text-secondary);
    position: sticky;
    top: 0;
}

.stueckliste-table tr:last-child td {
    border-bottom: none;
}

.bereich-item__description {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ==================== Page Components ==================== */
/**
 * Seiten-spezifische Komponenten
 */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header__title {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-text-primary);
}

.page-header__subtitle {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
}

/* ==================== Utility Classes ==================== */
/**
 * Hilfsklassen für häufig verwendete Styles
 */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mt-0 {
    margin-top: 0;
}

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

/* ==================== Responsive Design ==================== */
/**
 * Responsive Styles für verschiedene Bildschirmgrößen
 */

/* Tablets und kleinere Desktops */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-sm);
    }

    .grid--2-cols {
        grid-template-columns: 1fr;
    }

    .grid--3-cols {
        grid-template-columns: 1fr;
    }

    .baugruppe-details .grid--3-cols {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .baugruppe-item__header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .baugruppe-item__actions {
        width: 100%;
        flex-direction: column;
    }

    .baugruppe-item__actions .btn {
        width: 100%;
    }

    .table-card table,
    .table-card thead,
    .table-card tbody,
    .table-card th,
    .table-card td,
    .table-card tr {
        display: block;
    }

    .table-card thead {
        display: none;
    }

    .table-card tr {
        margin-bottom: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .table-card td {
        padding-left: 50%;
        position: relative;
        text-align: left;
    }

    .table-card td::before {
        content: attr(data-label);
        position: absolute;
        left: var(--spacing-md);
        font-weight: bold;
        color: var(--color-text-primary);
    }

    .form__actions {
        flex-direction: column;
    }

    .form__actions .btn {
        width: 100%;
    }

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

    .baugruppen-buttons .btn {
        width: 100%;
    }
}

/* Smartphones */
@media (max-width: 480px) {
    .container {
        margin: var(--spacing-md) auto;
        padding: var(--spacing-xs);
    }

    .card {
        padding: var(--spacing-md);
    }

    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
}