/* =====================================================
   AERATE – Professional Calculator UI
   Modernes, strukturiertes Design für Bauphysik-Berechnungen
===================================================== */

:root {
    /* Brand Colors */
    --ae-primary: #2563eb;
    --ae-primary-dark: #1e40af;
    --ae-primary-light: #60a5fa;
    --ae-secondary: #8b5cf6;
    --ae-accent: #06b6d4;
    
    /* Semantic Colors */
    --ae-success: #10b981;
    --ae-success-light: #d1fae5;
    --ae-warning: #f59e0b;
    --ae-warning-light: #fef3c7;
    --ae-danger: #ef4444;
    --ae-danger-light: #fee2e2;
    --ae-info: #3b82f6;
    --ae-info-light: #dbeafe;
    
    /* Neutrals */
    --ae-bg: #ffffff;
    --ae-bg-secondary: #f8fafc;
    --ae-bg-tertiary: #f1f5f9;
    --ae-surface: #ffffff;
    --ae-surface-hover: #f8fafc;
    
    /* Text */
    --ae-text: #0f172a;
    --ae-text-secondary: #475569;
    --ae-text-muted: #94a3b8;
    --ae-text-light: #cbd5e1;
    
    /* Borders */
    --ae-border: #e2e8f0;
    --ae-border-medium: #cbd5e1;
    --ae-border-dark: #94a3b8;
    
    /* Shadows */
    --ae-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ae-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --ae-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --ae-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --ae-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --ae-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --ae-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Radii */
    --ae-radius-sm: 8px;
    --ae-radius: 12px;
    --ae-radius-md: 16px;
    --ae-radius-lg: 20px;
    --ae-radius-xl: 24px;
    --ae-radius-full: 9999px;
    
    /* Spacing */
    --ae-space-xs: 4px;
    --ae-space-sm: 8px;
    --ae-space: 12px;
    --ae-space-md: 16px;
    --ae-space-lg: 24px;
    --ae-space-xl: 32px;
    --ae-space-2xl: 48px;
    
    /* Transitions */
    --ae-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --ae-transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =====================================================
   GLOBAL RESETS & BASE STYLES
===================================================== */
.ae-wrap * {
    box-sizing: border-box;
}

.ae-wrap {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   CALCULATOR CONTAINER
===================================================== */
.ae-calculator {
    max-width: 1400px;
    margin: 0 auto;
}

/* =====================================================
   MAIN CARDS - Erste Ebene
===================================================== */
.ae-card {
    position: relative;
    background: var(--ae-surface);
    border: 2px solid var(--ae-border);
    border-radius: var(--ae-radius-lg);
    box-shadow: var(--ae-shadow-sm);
    padding: var(--ae-space-xl) var(--ae-space-lg) var(--ae-space-lg);
    margin-bottom: var(--ae-space-lg);
    overflow: visible;
    transition: var(--ae-transition);
}

.ae-card:hover {
    border-color: var(--ae-border-medium);
    box-shadow: var(--ae-shadow-md);
}

.ae-card-title {
    position: absolute;
    top: -16px;
    left: var(--ae-space-lg);
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--ae-primary) 0%, var(--ae-primary-dark) 100%);
    color: #ffffff;
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.5px;
    line-height: 1.3;
    border-radius: var(--ae-radius-full);
    box-shadow: var(--ae-shadow-md);
    z-index: 10;
    white-space: nowrap;
    text-transform: uppercase;
}

/* Icons in Card Titles */
.ae-card-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    margin-right: 10px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* =====================================================
   SUBCARDS - Zweite Ebene (Räume)
===================================================== */
.ae-subcard {
    position: relative;
    background: var(--ae-bg-secondary);
    border: 2px solid var(--ae-border);
    border-radius: var(--ae-radius-md);
    padding: var(--ae-space-xl) var(--ae-space-md) var(--ae-space-md);
    margin-bottom: var(--ae-space-md);
    overflow: visible;
    transition: var(--ae-transition);
}

.ae-subcard:hover {
    background: var(--ae-surface);
    border-color: var(--ae-primary-light);
    box-shadow: var(--ae-shadow);
    transform: translateY(-2px);
}

.ae-subcard-title {
    position: absolute;
    top: -14px;
    left: var(--ae-space-md);
    padding: 8px 18px;
    background: var(--ae-surface);
    color: var(--ae-text);
    font-weight: 800;
    font-size: 13px;
    line-height: 1.4;
    border-radius: var(--ae-radius-full);
    border: 2px solid var(--ae-border);
    box-shadow: var(--ae-shadow-sm);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.ae-subcard-title:has(button) {
    padding-right: 8px;
}

/* =====================================================
   MEASUREMENT LOCATIONS - Dritte Ebene
===================================================== */
.ae-measloc {
    position: relative;
    background: var(--ae-surface);
    border: 1px solid var(--ae-border);
    border-radius: var(--ae-radius);
    padding: var(--ae-space-md);
    margin-bottom: var(--ae-space);
    transition: var(--ae-transition);
}

.ae-measloc:hover {
    border-color: var(--ae-accent);
    box-shadow: var(--ae-shadow-sm);
}

.ae-measloc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--ae-space);
    margin-bottom: var(--ae-space-md);
    padding-bottom: var(--ae-space);
    border-bottom: 1px solid var(--ae-border);
}

/* =====================================================
   LABELS & INPUTS
===================================================== */
.ae-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--ae-text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ae-input,
.ae-textarea,
select.ae-input {
    width: 100%;
    border: 2px solid var(--ae-border);
    background: var(--ae-surface);
    padding: 12px 16px;
    border-radius: var(--ae-radius);
    color: var(--ae-text);
    font-size: 14px;
    font-weight: 500;
    outline: none;
    transition: var(--ae-transition);
    font-family: inherit;
}

.ae-input::placeholder,
.ae-textarea::placeholder {
    color: var(--ae-text-muted);
    font-weight: 400;
}

.ae-input:hover,
.ae-textarea:hover,
select.ae-input:hover {
    border-color: var(--ae-border-medium);
}

.ae-input:focus,
.ae-textarea:focus,
select.ae-input:focus {
    border-color: var(--ae-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    background: #ffffff;
}

/* Read-only Inputs (Berechnete Werte) */
.ae-input:read-only {
    background: linear-gradient(135deg, var(--ae-bg-tertiary) 0%, var(--ae-bg-secondary) 100%);
    color: var(--ae-primary);
    font-weight: 700;
    cursor: default;
    border-style: solid;
    border-color: var(--ae-border);
}

.ae-input:read-only:hover {
    border-color: var(--ae-primary-light);
}

/* Textarea */
.ae-textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.6;
}

/* Input Sizes */
.ae-input-xs {
    max-width: 120px;
}

.ae-input-sm {
    max-width: 200px;
}

.ae-input-md {
    max-width: 300px;
}

/* =====================================================
   CHECKBOXES & RADIOS - Modern Custom Design
===================================================== */
.ae-check,
.ae-radio {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ae-text);
    cursor: pointer;
    user-select: none;
    padding: 4px 0;
    transition: var(--ae-transition);
}

.ae-check:hover,
.ae-radio:hover {
    color: var(--ae-primary);
}

.ae-check input[type="checkbox"],
.ae-radio input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--ae-primary);
}

/* =====================================================
   MOISTURE LOAD STACK - Feuchtelast Quellen
===================================================== */
.ae-check-stack {
    display: grid;
    gap: var(--ae-space);
    margin-top: var(--ae-space);
}

.ae-check-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ae-space);
    padding: 12px 16px;
    background: var(--ae-surface);
    border-radius: var(--ae-radius);
    border: 2px solid var(--ae-border);
    transition: var(--ae-transition);
}

.ae-check-row:hover {
    background: var(--ae-bg-secondary);
    border-color: var(--ae-primary-light);
    transform: translateX(4px);
}

.ae-check-row .ae-check {
    flex: 1;
    margin: 0;
}

.ae-check-row .ae-input {
    max-width: 100px;
}

.ae-check-row .text-muted {
    font-size: 12px;
    font-weight: 700;
    color: var(--ae-text-muted);
    min-width: 60px;
    text-align: right;
}

/* =====================================================
   BUTTONS - Professional Style
===================================================== */
.ae-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 2px solid transparent;
    background: var(--ae-surface);
    color: var(--ae-text);
    border-radius: var(--ae-radius);
    padding: 12px 24px;
    font-weight: 700;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: var(--ae-transition);
    text-decoration: none;
    white-space: nowrap;
    box-shadow: var(--ae-shadow-xs);
}

.ae-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--ae-shadow-md);
    text-decoration: none;
}

.ae-btn:active {
    transform: translateY(0);
    box-shadow: var(--ae-shadow-xs);
}

.ae-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Primary Button */
.ae-btn-primary {
    background: linear-gradient(135deg, var(--ae-primary) 0%, var(--ae-primary-dark) 100%);
    color: #ffffff;
    border-color: var(--ae-primary);
}

.ae-btn-primary:hover {
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

/* Secondary Button */
.ae-btn-secondary {
    background: linear-gradient(135deg, var(--ae-accent) 0%, #0891b2 100%);
    color: #ffffff;
    border-color: var(--ae-accent);
}

.ae-btn-secondary:hover {
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(6, 182, 212, 0.3);
}

/* Ghost Button */
.ae-btn-ghost {
    background: transparent;
    border: 2px solid var(--ae-border);
    color: var(--ae-text-secondary);
}

.ae-btn-ghost:hover {
    background: var(--ae-bg-secondary);
    border-color: var(--ae-border-medium);
    color: var(--ae-text);
}

/* Button Sizes */
.ae-btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.ae-btn-lg {
    padding: 16px 32px;
    font-size: 16px;
    border-radius: var(--ae-radius-md);
}

/* =====================================================
   ALERTS - Status Messages
===================================================== */
.ae-alert,
.alert {
    padding: 16px 20px;
    border-radius: var(--ae-radius);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: var(--ae-space-md);
    border: 2px solid;
}

.ae-alert-success,
.alert-success {
    background: var(--ae-success-light);
    border-color: var(--ae-success);
    color: #065f46;
}

.ae-alert-danger,
.alert-danger {
    background: var(--ae-danger-light);
    border-color: var(--ae-danger);
    color: #991b1b;
}

.ae-alert-warning,
.alert-warning {
    background: var(--ae-warning-light);
    border-color: var(--ae-warning);
    color: #92400e;
}

.ae-alert-info,
.alert-info {
    background: var(--ae-info-light);
    border-color: var(--ae-info);
    color: #1e40af;
}

/* =====================================================
   BADGES
===================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--ae-radius-full);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.badge.bg-secondary {
    background: var(--ae-text-light);
    color: var(--ae-text-secondary);
}

.badge.bg-danger {
    background: var(--ae-danger);
    color: #ffffff;
}

.badge.bg-warning {
    background: var(--ae-warning);
    color: #ffffff;
}

.badge.bg-success {
    background: var(--ae-success);
    color: #ffffff;
}

/* =====================================================
   TABLES - Data Display
===================================================== */
.table-responsive {
    overflow-x: auto;
    margin: var(--ae-space) 0;
}

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

.table thead th {
    background: var(--ae-bg-secondary);
    color: var(--ae-text-secondary);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 2px solid var(--ae-border);
}

.table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--ae-border);
    font-size: 13px;
    color: var(--ae-text);
}

.table tbody tr:hover {
    background: var(--ae-bg-secondary);
}

.table tbody tr.text-muted {
    opacity: 0.6;
}

/* =====================================================
   REPORT SPECIFIC STYLES
===================================================== */
.ae-report .ae-card {
    page-break-inside: avoid;
}

.ae-report .ae-kv {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 12px 20px;
    align-items: baseline;
}

.ae-report .ae-kv strong {
    font-size: 13px;
    font-weight: 700;
    color: var(--ae-text-secondary);
}

/* =====================================================
   RESPONSIVE DESIGN
===================================================== */
@media (max-width: 991px) {
    .ae-card {
        padding: var(--ae-space-lg) var(--ae-space-md) var(--ae-space-md);
    }

    .ae-subcard {
        padding: var(--ae-space-lg) var(--ae-space) var(--ae-space);
    }

    .ae-card-title {
        font-size: 13px;
        padding: 8px 16px;
    }

    .ae-subcard-title {
        font-size: 12px;
        padding: 6px 14px;
    }
}

@media (max-width: 768px) {
    .ae-check-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ae-space-sm);
    }

    .ae-check-row .ae-input {
        max-width: 100%;
    }

    .ae-measloc-header {
        flex-direction: column;
        align-items: stretch;
    }

    .ae-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .ae-card {
        padding: var(--ae-space-md) var(--ae-space) var(--ae-space);
        border-radius: var(--ae-radius);
    }

    .ae-card-title {
        position: static;
        display: block;
        margin-bottom: var(--ae-space-md);
        border-radius: var(--ae-radius);
    }

    .ae-subcard-title {
        position: static;
        display: block;
        margin-bottom: var(--ae-space);
        border-radius: var(--ae-radius-sm);
    }
}

/* =====================================================
   PRINT STYLES
===================================================== */
@media print {
    .ae-btn,
    .btn-group,
    .hero-breadcrumb-area {
        display: none !important;
    }

    .ae-card,
    .ae-subcard {
        box-shadow: none;
        page-break-inside: avoid;
    }

    .ae-card {
        border: 1px solid #000;
        margin-bottom: 20px;
    }

    .ae-card-title {
        background: #000 !important;
        color: #fff !important;
    }
}

/* =====================================================
   UTILITY CLASSES
===================================================== */
.text-muted {
    color: var(--ae-text-muted) !important;
}

.text-secondary {
    color: var(--ae-text-secondary) !important;
}

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

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }

.d-flex { display: flex !important; }
.d-block { display: block !important; }
.d-inline-flex { display: inline-flex !important; }

.justify-content-between { justify-content: space-between !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }

.align-items-center { align-items: center !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-baseline { align-items: baseline !important; }

.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }

.flex-wrap { flex-wrap: wrap !important; }
.flex-grow-1 { flex-grow: 1 !important; }

.h-100 { height: 100% !important; }
.w-100 { width: 100% !important; }

.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.me-2 { margin-right: 0.5rem !important; }

/* =====================================================
   ANIMATIONS
===================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ae-card,
.ae-subcard {
    animation: fadeIn 0.3s ease-out;
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}