/**
 * SMILE Academy Theme - Main Styles
 * 
 * @package SmileAcademy
 * @author Peter Carqueville
 */

/* ====================================
   Fonts
   ==================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ====================================
   CSS Custom Properties (Design System)
   ==================================== */

:root {
    /* Company Colors (dynamisch via PHP injiziert) */
    --company-primary: #D83876;
    --company-secondary: #F8B4D4;
    --company-accent: #E91E63;
    
    /* Platform Colors (global, nicht firmenspezifisch) */
    --platform-cta: #C8135D;
    --platform-cta-foreground: #FFFFFF;
    --platform-cta-hover: #A80F4E;
    --platform-section-bg-1: #F8F4F0;
    --platform-section-bg-2: #F5CCCC;
    
    /* Grayscale */
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-500: #9E9E9E;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;
    
    /* Text Hierarchy - für klare visuelle Gewichtung */
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-700);
    --text-tertiary: var(--color-gray-600);
    --text-muted: var(--color-gray-500);
    --text-disabled: var(--color-gray-400);
    
    /* Success/Status Colors */
    --color-success: #15803D;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-in-progress: #F59E0B;
    
    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 80px;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 24px;
    
    /* Header */
    --header-height: 80px;
    
    /* Shadow Hierarchy - von subtle bis prominent */
    --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-elevated: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Typography Scale - klare Hierarchie */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    
    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
}

/* ====================================
   Reset & Base Styles
   ==================================== */

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

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-50);
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

a:hover {
    opacity: 0.8;
}

ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
}

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

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ====================================
   Layout
   ==================================== */

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#main-content {
    flex: 1;
    padding-top: var(--header-height);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

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

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

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

.company-logo {
    display: flex;
    align-items: center;
}

.company-logo img {
    height: 48px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
}

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gray-900);
}

.site-branding .site-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--company-primary);
    margin: 0;
}

/* Navigation */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-menu li a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: 8px 4px;
    position: relative;
    transition: color var(--transition-base);
}

.nav-menu li a:hover,
.nav-menu li.current-menu-item a {
    color: var(--color-gray-900);
}

.nav-menu li.current-menu-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--company-primary);
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* User Menu Dropdown */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.user-menu-toggle:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    color: var(--text-primary);
}

.user-menu-toggle .user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-toggle .chevron {
    transition: transform var(--transition-fast);
}

.user-menu-toggle[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.user-menu-toggle[aria-expanded="true"] + .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-dropdown ul {
    padding: 8px;
    margin: 0;
    list-style: none;
}

.user-menu-dropdown li {
    margin: 0;
}

.user-menu-dropdown li.divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: 8px 0;
}

.user-menu-dropdown a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.user-menu-dropdown a:hover {
    background: var(--color-gray-50);
    color: var(--text-primary);
    opacity: 1;
}

.user-menu-dropdown a svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 32px;
    height: 32px;
    padding: 6px;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-inner {
    padding: var(--spacing-md);
}

.mobile-navigation ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.mobile-navigation li a {
    display: block;
    padding: var(--spacing-sm);
    font-size: 16px;
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
}

.mobile-navigation li a:hover {
    background: var(--color-gray-100);
}

.mobile-menu-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--spacing-sm) 0;
}

/* ====================================
   FOOTER
   ==================================== */

.site-footer {
    background: var(--company-primary);
    color: var(--color-white);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 var(--spacing-sm);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-base);
}

.footer-links li a:hover {
    color: var(--color-white);
    opacity: 1;
}

.footer-contact {
    font-size: 14px;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.footer-copyright p {
    font-size: 14px;
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

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

@media (max-width: 1024px) {
    :root {
        --container-padding: 20px;
    }
    
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .nav-menu li a {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --container-padding: 16px;
    }
    
    .main-navigation {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Hide user menu on mobile - use mobile menu instead */
    .user-menu {
        display: none;
    }
    
    .company-logo img {
        height: 40px;
        max-width: 120px;
    }
    
    .company-name {
        font-size: 16px;
    }
    
    .footer-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}