/* Modern Minimalist Design for RC Karlsruhe-Schloss */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Root Variables */
:root {
    --primary: #0066CC;
    --primary-dark: #0052A3;
    --primary-light: #E6F0FF;
    --secondary: #F7A81B;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    line-height: 1.6 !important;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header Redesign */
.rotary-header {
    background: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%) !important;
    padding: 2rem 0 !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: none !important;
}

.rotary-header .container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
}

/* Header Navigation */
.header-nav {
    display: flex !important;
    gap: 2rem !important;
    align-items: center !important;
}

.nav-link-modern {
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 0.9375rem !important;
    transition: color 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
}

.nav-link-modern:hover {
    color: var(--primary) !important;
}

.nav-link-modern i {
    font-size: 1.125rem !important;
}

.rotary-header h1 {
    font-size: 2rem !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    text-shadow: none !important;
}

.rotary-header .lead {
    font-size: 1rem !important;
    color: var(--text-secondary) !important;
    font-weight: 400 !important;
    margin: 0.5rem 0 0 0 !important;
    opacity: 1 !important;
}

/* Logo Refinement */
.header-logo {
    height: 60px !important;
    width: auto !important;
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: none !important;
    transition: none !important;
}

/* Navigation Bar */
.navbar {
    background: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border) !important;
    box-shadow: var(--shadow-sm) !important;
    padding: 0.75rem 0 !important;
}

.navbar-brand {
    font-size: 1.25rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    display: flex !important;
    align-items: center !important;
}

.navbar-logo {
    height: 32px !important;
    filter: none !important;
}

/* Main Content Area */
.container {
    max-width: 1100px !important;
}

/* Card Redesign */
.rotary-card {
    background: var(--bg-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    padding: 2rem !important;
    box-shadow: var(--shadow-sm) !important;
    transition: box-shadow 0.2s ease !important;
}

.rotary-card:hover {
    box-shadow: var(--shadow-md) !important;
}

.rotary-card h2 {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin-bottom: 1.5rem !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
}

.rotary-card h2 i {
    color: var(--primary) !important;
    font-size: 1.25rem !important;
}

/* Upload Zone - Clean Design */
.upload-zone {
    background: var(--bg-secondary) !important;
    border: 2px dashed var(--border) !important;
    border-radius: 8px !important;
    padding: 3rem 2rem !important;
    text-align: center !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
}

.upload-zone:hover {
    background: var(--bg-tertiary) !important;
    border-color: var(--primary) !important;
}

.upload-zone.drag-over {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
}

.upload-zone-content .bi-cloud-upload {
    font-size: 2.5rem !important;
    color: var(--primary) !important;
    margin-bottom: 1rem !important;
}

.upload-zone-content h5 {
    font-size: 1.125rem !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    margin: 1rem 0 0.5rem 0 !important;
}

.upload-zone-content p {
    color: var(--text-secondary) !important;
    font-size: 0.875rem !important;
    margin-bottom: 1.5rem !important;
}

/* Buttons - Modern Style */
.btn {
    font-weight: 500 !important;
    border-radius: 6px !important;
    padding: 0.5rem 1rem !important;
    transition: all 0.2s ease !important;
    border: none !important;
    font-size: 0.875rem !important;
}

.btn-primary {
    background: var(--primary) !important;
    color: white !important;
    box-shadow: var(--shadow-sm) !important;
}

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

.btn-rotary-outline {
    background: var(--bg-primary) !important;
    border: 1.5px solid var(--primary) !important;
    color: var(--primary) !important;
    box-shadow: none !important;
}

.btn-rotary-outline:hover {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
}

/* File Info Card */
.file-info .bg-light {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 6px !important;
}

/* Progress Bar */
.progress {
    height: 6px !important;
    background: var(--bg-tertiary) !important;
    border-radius: 3px !important;
}

.progress-bar {
    background: var(--primary) !important;
}

/* Alerts */
.alert {
    border: none !important;
    border-radius: 6px !important;
    padding: 1rem !important;
    font-size: 0.875rem !important;
}

.alert-info {
    background: var(--primary-light) !important;
    color: var(--primary-dark) !important;
}

/* Footer */
.rotary-footer {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%) !important;
    color: var(--text-secondary) !important;
    padding: 3rem 0 2rem !important;
    margin-top: 5rem !important;
    font-size: 0.875rem !important;
    border-top: 1px solid var(--border) !important;
}

.rotary-footer h6 {
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    margin-bottom: 0.75rem !important;
    color: var(--text-primary) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
}

.rotary-footer p {
    color: var(--text-secondary) !important;
    line-height: 1.6 !important;
}

.rotary-footer a {
    color: var(--primary) !important;
    text-decoration: none !important;
    transition: opacity 0.2s ease !important;
}

.rotary-footer a:hover {
    opacity: 0.8 !important;
}

/* File Cards for Download Page */
.file-card {
    background: var(--bg-primary) !important;
    border: 1px solid var(--border) !important;
    border-radius: 8px !important;
    padding: 1.25rem !important;
    transition: all 0.2s ease !important;
}

.file-card:hover {
    box-shadow: var(--shadow-md) !important;
    border-color: var(--primary) !important;
    transform: translateY(-2px) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .rotary-header {
        padding: 1.5rem 0 !important;
    }
    
    .rotary-header .container {
        flex-direction: column !important;
        gap: 1rem !important;
    }
    
    .rotary-header h1 {
        font-size: 1.5rem !important;
    }
    
    .header-logo {
        height: 50px !important;
    }
    
    .header-nav {
        gap: 1.5rem !important;
        margin-top: 0.5rem !important;
    }
    
    .nav-link-modern {
        font-size: 0.875rem !important;
    }
    
    .rotary-card {
        padding: 1.5rem !important;
    }
    
    .upload-zone {
        padding: 2rem 1.5rem !important;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background: var(--primary) !important;
    color: white !important;
}

/* Remove all unnecessary shadows and gradients */
.card {
    box-shadow: none !important;
}

.btn {
    text-transform: none !important;
    letter-spacing: normal !important;
}

/* Clean inputs and form elements */
input[type="file"]:focus + label,
button:focus {
    outline: 2px solid var(--primary) !important;
    outline-offset: 2px !important;
}

/* Animation for smooth transitions */
* {
    transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform !important;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1) !important;
    transition-duration: 150ms !important;
}