/* =========================================
   GLAESS Projektverwaltung - Stylesheet
   Inspiriert von glaess-software.de
   ========================================= */

:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #e6f2ff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-400: #adb5bd;
    --gray-500: #6c757d;
    --gray-600: #495057;
    --gray-700: #343a40;
    --gray-800: #212529;
    --gray-900: #1a1d20;
    
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    min-height: 100vh;
}

/* =========================================
   LOGIN PAGE
   ========================================= */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.company-name {
    color: var(--gray-600);
    font-size: 14px;
}

.login-form {
    margin-bottom: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    font-size: 13px;
    color: var(--gray-600);
}

/* =========================================
   HEADER
   ========================================= */

.main-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 100%;
}

.header-left h1 {
    font-size: 22px;
    color: var(--gray-800);
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-700);
    font-size: 14px;
}

.user-info svg {
    color: var(--gray-500);
}

/* =========================================
   MAIN CONTAINER
   ========================================= */

.main-container {
    display: flex;
    height: calc(100vh - 65px);
    overflow: hidden;
}

/* =========================================
   SIDEBAR
   ========================================= */

.sidebar {
    width: 350px;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.search-box {
    position: relative;
    margin-bottom: 16px;
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 38px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

.sidebar-actions {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}

.project-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.project-item {
    padding: 12px 16px;
    margin-bottom: 4px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-item:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-200);
}

.project-item.active {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
}

.project-item.inactive {
    opacity: 0.6;
}

.project-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.project-kunde {
    font-size: 13px;
    color: var(--gray-600);
}

.project-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.project-status.status-active {
    background-color: var(--success-color);
    color: white;
}

.project-status.status-inactive {
    background-color: var(--gray-400);
    color: white;
}

/* =========================================
   CONTENT AREA
   ========================================= */

.content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--gray-50);
}

.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
}

.welcome-screen svg {
    margin-bottom: 20px;
    opacity: 0.5;
}

.welcome-screen h2 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--gray-700);
}

.welcome-screen p {
    font-size: 16px;
}

.project-detail {
    padding: 32px;
    max-width: 1200px;
}

.project-detail-header {
    background: white;
    padding: 24px;
    border-radius: var(--border-radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.project-detail-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 16px;
}

.project-detail-title h2 {
    font-size: 28px;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.project-actions {
    display: flex;
    gap: 8px;
}

.project-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-600);
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 15px;
    color: var(--gray-800);
}

.info-value a {
    color: var(--primary-color);
    text-decoration: none;
}

.info-value a:hover {
    text-decoration: underline;
}

.color-indicator {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--gray-300);
}

/* =========================================
   PHASES SECTION
   ========================================= */

.phases-section {
    background: white;
    padding: 24px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.phases-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.phases-header h3 {
    font-size: 20px;
    color: var(--gray-800);
}

.phases-actions {
    display: flex;
    gap: 8px;
}

.phases-table {
    width: 100%;
    border-collapse: collapse;
}

.phases-table thead {
    background-color: var(--gray-50);
}

.phases-table th {
    text-align: left;
    padding: 12px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-600);
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-200);
}

.phases-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.phases-table tbody tr:hover {
    background-color: var(--gray-50);
}

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

.phase-actions {
    display: flex;
    gap: 8px;
}

.empty-phases {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.empty-phases svg {
    margin-bottom: 12px;
    opacity: 0.5;
}

/* =========================================
   BUTTONS
   ========================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--gray-500);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-600);
}

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

.btn-success:hover:not(:disabled) {
    background-color: #218838;
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #c82333;
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 8px;
    border-radius: 50%;
}

/* =========================================
   FORMS
   ========================================= */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-700);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="color"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input[type="color"] {
    height: 42px;
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* =========================================
   MODAL
   ========================================= */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

.modal-large .modal-content {
    max-width: 900px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h2 {
    font-size: 20px;
    color: var(--gray-800);
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
}

/* =========================================
   COPY PHASES
   ========================================= */

.copy-phases-content {
    margin-top: 20px;
}

.copy-phase-item {
    padding: 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    transition: var(--transition);
}

.copy-phase-item:hover {
    border-color: var(--primary-color);
    background-color: var(--gray-50);
}

.copy-phase-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.copy-phase-header input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.copy-phase-name {
    font-weight: 600;
    color: var(--gray-800);
}

.copy-phase-fields {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-left: 30px;
}

.copy-phase-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.copy-phase-field input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 13px;
}

/* =========================================
   ALERTS
   ========================================= */

.alert {
    padding: 14px 18px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* =========================================
   LOADING & EMPTY STATES
   ========================================= */

.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.loading::after {
    content: "...";
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60%, 100% { content: "..."; }
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .content {
        height: calc(100vh - 365px);
    }
    
    .project-detail {
        padding: 20px;
    }
    
    .project-info {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .copy-phase-fields {
        grid-template-columns: 1fr;
        padding-left: 30px;
    }
    
    .header-right {
        flex-direction: column;
        align-items: flex-end;
        gap: 8px;
    }
    
    .modal {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 12px 16px;
    }
    
    .header-left h1 {
        font-size: 18px;
    }
    
    .user-info {
        font-size: 12px;
    }
    
    .btn-sm {
        padding: 4px 8px;
        font-size: 12px;
    }
}

/* =========================================
   UTILITIES
   ========================================= */

.text-muted {
    color: var(--gray-600);
}

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

.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }

.hidden {
    display: none !important;
}