/**
 * SafeXcon - Main Stylesheet
 * 
 * Utility-First CSS mit Komponenten
 * Inspiriert von Tailwind, aber vanilla CSS
 */

/* ============================================================
   CSS CUSTOM PROPERTIES (Variables)
   ============================================================ */
:root {
    /* Farben - Primär */
    --color-primary: #1E40AF;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1E3A8A;
    
    /* Farben - Status */
    --color-success: #059669;
    --color-success-light: #10B981;
    --color-warning: #D97706;
    --color-warning-light: #F59E0B;
    --color-danger: #DC2626;
    --color-danger-light: #EF4444;
    --color-info: #0284C7;
    
    /* Farben - Grau */
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Spacing Scale */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.25rem;  /* 20px */
    --space-6: 1.5rem;   /* 24px */
    --space-8: 2rem;     /* 32px */
    --space-10: 2.5rem;  /* 40px */
    --space-12: 3rem;    /* 48px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, 'Courier New', monospace;
    
    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
}

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

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    grid-template-areas:
        "header header"
        "sidebar main";
    min-height: 100vh;
}

/* Header */
.app-header {
    grid-area: header;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    background: white;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-center {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--space-6);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Search Box */
.search-box {
    position: relative;
    width: 100%;
}

.search-box svg {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
}

.search-box input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) * 3);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-gray-50);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Sidebar */
.app-sidebar {
    grid-area: sidebar;
    display: flex;
    flex-direction: column;
    background: white;
    border-right: 1px solid var(--color-gray-200);
    overflow-y: auto;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4);
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-gray-100);
}

/* Nav Items */
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-1);
}

.nav-item:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
    text-decoration: none;
}

.nav-item.active {
    background: var(--color-primary);
    color: white;
}

.nav-item-icon {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
}

.nav-section {
    margin-top: var(--space-6);
}

.nav-section-title {
    padding: var(--space-2) var(--space-4);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Main Content */
.app-main {
    grid-area: main;
    padding: var(--space-6);
    overflow-y: auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    text-decoration: none;
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-gray-200);
    text-decoration: none;
}

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

.btn-danger:hover:not(:disabled) {
    background: #B91C1C;
    text-decoration: none;
}

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

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8125rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.btn-icon:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
}

.form-input.error,
.form-select.error {
    border-color: var(--color-danger);
}

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: 0.8125rem;
    color: var(--color-danger);
}

.form-hint {
    display: block;
    margin-top: var(--space-1);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    font-weight: 600;
    border-bottom: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

.card-body {
    padding: var(--space-6);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-100);
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.alert-success {
    background: #ECFDF5;
    color: var(--color-success);
    border: 1px solid #A7F3D0;
}

.alert-warning {
    background: #FFFBEB;
    color: var(--color-warning);
    border: 1px solid #FDE68A;
}

.alert-danger {
    background: #FEF2F2;
    color: var(--color-danger);
    border: 1px solid #FECACA;
}

.alert-info {
    background: #EFF6FF;
    color: var(--color-info);
    border: 1px solid #BFDBFE;
}

.alert [data-dismiss] {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.5;
}

.alert [data-dismiss]:hover {
    opacity: 1;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: #DBEAFE;
    color: var(--color-primary);
}

.badge-success {
    background: #D1FAE5;
    color: var(--color-success);
}

.badge-warning {
    background: #FEF3C7;
    color: var(--color-warning);
}

.badge-danger {
    background: #FEE2E2;
    color: var(--color-danger);
}

.badge-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-600);
}

/* ============================================================
   COMPLIANCE SCORE
   ============================================================ */
.compliance-score {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    background: conic-gradient(
        var(--score-color, var(--color-success)) calc(var(--score) * 1%),
        var(--color-gray-200) 0
    );
    position: relative;
}

.compliance-score::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: white;
    border-radius: var(--radius-full);
}

.compliance-score span {
    position: relative;
    z-index: 1;
}

.compliance-score.green {
    --score-color: var(--color-success);
}

.compliance-score.yellow {
    --score-color: var(--color-warning);
}

.compliance-score.red {
    --score-color: var(--color-danger);
}

/* ============================================================
   USER MENU
   ============================================================ */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: none;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background: var(--color-gray-50);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    min-width: 200px;
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 200;
}

.user-menu-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-gray-50);
    text-decoration: none;
}

.dropdown-item svg {
    color: var(--color-gray-400);
}

.user-menu-dropdown hr {
    border: none;
    border-top: 1px solid var(--color-gray-100);
    margin: var(--space-2) 0;
}

/* ============================================================
   NOTIFICATION BADGE
   ============================================================ */
.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: white;
    background: var(--color-danger);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   AI SIDEBAR
   ============================================================ */
.ai-sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    width: 400px;
    background: white;
    border-left: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 150;
}

.ai-sidebar.open {
    transform: translateX(0);
}

.ai-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.ai-sidebar-header h3 {
    margin: 0;
    font-size: 1rem;
}

.ai-sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

.ai-message {
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
}

.ai-message.user {
    background: var(--color-primary);
    color: white;
    margin-left: var(--space-8);
}

.ai-message.assistant {
    background: var(--color-gray-100);
    margin-right: var(--space-8);
}

.ai-sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
}

#ai-chat-form {
    display: flex;
    gap: var(--space-2);
}

#ai-chat-input {
    flex: 1;
    padding: var(--space-3);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
}

/* ============================================================
   MODALS
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 300;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform var(--transition-fast);
}

.modal.show .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
}

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.page-header h1 {
    font-size: 1.5rem;
    margin: 0 0 var(--space-1);
}

.page-header-actions {
    display: flex;
    gap: var(--space-3);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-sm { font-size: 0.875rem; }
.text-center { text-align: center; }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-areas:
            "header"
            "main";
    }
    
    .app-sidebar {
        position: fixed;
        left: 0;
        top: var(--header-height);
        bottom: 0;
        width: var(--sidebar-width);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 150;
    }
    
    .app-sidebar.open {
        transform: translateX(0);
    }
    
    .user-name {
        display: none;
    }
    
    .ai-sidebar {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }
    
    .page-header-actions {
        width: 100%;
    }
    
    .page-header-actions .btn {
        flex: 1;
    }
}

/* Hide for mobile */
.lg\\:hidden {
    display: none;
}

@media (max-width: 1024px) {
    .lg\\:hidden {
        display: flex;
    }
}