/* /var/www/marcelgutsche.de/shared/base.css */
/* Shared foundation for marcelgutsche.de unified architecture */

:root {
    /* Colors - consistent across all apps */
    --primary: #2c3e50;
    --accent: #3498db;
    --text: #333;
    --text-light: #666;
    --text-muted: #7f8c8d;
    --background: #ffffff;
    --background-alt: #f8f9fa;
    --background-light: #f5f5f5;
    --border: #e1e8ed;
    --border-light: #e1e5e9;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);

    /* Extended color palette */
    --white: #ffffff;
    --black: #000000;
    --success: #27ae60;
    --success-light: #2ecc71;
    --success-dark: #219a52;
    --warning: #f39c12;
    --warning-light: #f1c40f;
    --warning-dark: #e67e22;
    --error: #e74c3c;
    --error-light: #ec7063;
    --error-dark: #c0392b;
    --info: #3498db;
    --info-light: #5dade2;
    --info-dark: #2980b9;

    /* Neutral grays */
    --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: #000000;
    --gray-border: #e1e8ed;
    --gray-text: #6c757d;
    --gray-light: #f8f9fa;
    --gray-dark: #343a40;
    --gray-darker: #212529;
    --gray-muted: #adb5bd;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Tahoma, Geneva, Verdana, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;

    /* Layout */
    --nav-height: 60px;
    --container-max: 1200px;
    --border-radius: 6px;
    --transition: all 0.2s ease;

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

    /* Enhanced border radius scale */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;

    /* Enhanced shadow scale */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 20px 50px rgba(0, 0, 0, 0.3);

    /* Enhanced transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
    --transition-bounce: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    /* Scrollbar handling moved to body for consistency */
}

body {
    font-family: var(--font-primary);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--background);
    margin: 0 !important;
    padding: 0 !important;
    /* Ensure consistent box-sizing */
    box-sizing: border-box;
    /* Always reserve scrollbar space to prevent layout shifts */
    overflow-y: scroll;
}

/* Container utility */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Navigation - shared structure */
.nav {
    background: var(--background);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    /* Ensure consistent width behavior */
    width: 100%;
    box-sizing: border-box;
}

/* Important: High specificity to prevent overrides */
.nav .container,
.nav > .container {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    max-width: var(--container-max) !important;
    margin: 0 auto !important;
    width: 100% !important;
    padding: 0 var(--space-lg) !important;
    box-sizing: border-box !important;
}

.nav-brand {
    font-weight: 600;
    font-size: 1.25rem;
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

.nav-brand:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
    padding: var(--space-sm) 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

/* Main content area */
main {
    flex: 1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background: #1a252f;
}

/* Cards */
.card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.card h3 {
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.card-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: var(--space-md);
}

.card-link:hover {
    text-decoration: underline;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: var(--space-xl) 0;
    margin-top: auto;
    text-align: center;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: white;
}

/* Form elements */
input,
textarea,
select {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Utility classes */
.text-center {
    text-align: center;
}

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

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

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

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

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

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

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

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

.bg-light {
    background: var(--background-light);
}

.bg-alt {
    background: var(--background-alt);
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--space-md);
    }

    .container {
        padding: 0 var(--space-md);
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    .btn {
        padding: var(--space-md);
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .nav-links {
        display: none;
        /* Will need mobile menu later */
    }

    .nav .container {
        padding: 0 var(--space-md);
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.125rem;
    }
}

/* =================================
   COMPOSABLE SYSTEM ENHANCEMENTS
   ================================= */

/* Composable Button System */
/* Size modifiers */
.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

/* Theme compositions */
.btn-dark {
    background: var(--gray-800);
    color: var(--white);
}

.btn-dark:hover {
    background: var(--gray-900);
}

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

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

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

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

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

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

/* Style compositions */
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: var(--white);
}

.btn-ghost {
    background: none;
    border: none;
    color: var(--gray-text);
    padding: var(--space-sm);
}

.btn-ghost:hover {
    background: var(--gray-light);
    color: var(--gray-dark);
    transform: none;
}

/* Specialized button types */
.btn-close {
    background: none;
    border: none;
    color: var(--gray-text);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 50%;
    transition: var(--transition-fast);
    line-height: 1;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.btn-close:hover {
    background: var(--error);
    color: var(--white);
    transform: none;
}

.btn-close-light {
    color: var(--white);
}

.btn-close-light:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.btn-link {
    background: none;
    border: none;
    color: var(--accent);
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 500;
}

.btn-link:hover {
    color: var(--info-dark);
    transform: none;
    box-shadow: none;
}

/* Composable Card System */
/* Size modifiers */
.card-sm {
    padding: var(--space-md);
}

.card-lg {
    padding: var(--space-2xl);
}

/* Elevation compositions */
.card-flat {
    box-shadow: none;
    border: 1px solid var(--border);
}

.card-elevated {
    box-shadow: var(--shadow-xl);
    border: none;
}

/* Interactive compositions */
.card-interactive {
    cursor: pointer;
    transition: var(--transition-fast);
}

.card-interactive:focus-within {
    border-color: var(--accent);
    box-shadow: var(--shadow-md), 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.card-editing {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

/* Theme variations */
.card-info {
    background: var(--gray-light);
    border-color: var(--gray-border);
}

.card-warning {
    background: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

/* Composable Modal System */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    backdrop-filter: blur(4px);
    padding: 20px;
    box-sizing: border-box;
}

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

.modal-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-bounce);
}

.modal-backdrop.show .modal-content {
    transform: scale(1) translateY(0);
}

/* Modal size modifiers */
.modal-sm {
    max-width: 400px;
}

.modal-lg {
    max-width: 900px;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

.modal-body {
    padding: var(--space-xl) var(--space-2xl);
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Auto-Grid System */
.auto-grid {
    display: grid;
    gap: var(--grid-gap, var(--space-lg));
    grid-template-columns: repeat(auto-fit, minmax(var(--grid-min, 200px), 1fr));
}

/* Grid presets */
.auto-grid-sm {
    --grid-min: 120px;
    --grid-gap: var(--space-sm);
}

.auto-grid-md {
    --grid-min: 200px;
    --grid-gap: var(--space-md);
}

.auto-grid-lg {
    --grid-min: 300px;
    --grid-gap: var(--space-xl);
}

/* Badge System */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--gray-light);
    color: var(--gray-text);
    display: inline-block;
}

.badge-success {
    background: var(--success-light);
    color: var(--success-dark);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
}

.badge-error {
    background: var(--error-light);
    color: var(--error-dark);
}

.badge-info {
    background: var(--info-light);
    color: var(--info-dark);
}

/* Icon Badge System */
.icon-badge {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm); /* Changed from 50% to rounded square */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    color: var(--white);
    flex-shrink: 0;
    background: var(--info);
}

.icon-badge-success {
    background: var(--success);
}

.icon-badge-warning {
    background: var(--warning);
}

.icon-badge-error {
    background: var(--error);
}

/* Interactive Item System */
.interactive-item {
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-light);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
    transition: var(--transition-smooth);
    display: block;
}

.interactive-item:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.interactive-item-editing {
    background: var(--white);
    border: 2px solid var(--accent);
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    transform: none;
}

.interactive-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.interactive-item-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.interactive-item-actions {
    display: flex;
    gap: var(--space-xs);
}

/* Form Enhancement */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group:last-child {
    margin-bottom: 0;
}

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

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--gray-text);
    font-size: 12px;
    line-height: 1.3;
}

/* Input variations */
.input {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--gray-border);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    color: var(--gray-dark);
    transition: var(--transition-fast);
    background: var(--white);
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.input-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
}

.input-lg {
    font-size: 1.25rem;
    font-weight: 500;
    padding: var(--space-lg) 1.2rem;
}

.input-mono {
    font-family: var(--font-mono);
}

/* State Modifiers */
.state-editing {
    border-color: var(--accent) !important;
}

.state-error {
    border-color: var(--error) !important;
}

.state-success {
    border-color: var(--success) !important;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Toast System */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    max-width: 400px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 1.25rem;
    margin-bottom: var(--space-sm);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--info);
    pointer-events: auto;
    transform: translateX(100%);
    opacity: 0;
    transition: var(--transition-bounce);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-left-color: var(--success);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-error {
    border-left-color: var(--error);
}

.toast-content {
    flex: 1;
}

/* Section Headers */
.section-header {
    padding: var(--space-lg) var(--space-xl);
    background: var(--gray-light);
    border-bottom: 1px solid var(--gray-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);
    color: var(--white);
}

.section-header-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-dark);
    margin: 0;
}

.section-header-gradient .section-header-title {
    color: var(--white);
}

/* Enhanced responsive */
@media (max-width: 768px) {
    .auto-grid {
        --grid-min: 150px;
    }
    
    .modal-content {
        margin: 10px;
        width: calc(100vw - 20px);
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}