/**
 * CuiveMedia Tools - Main Stylesheet
 * Konsistentes Design mit der Hauptseite + Tool-spezifische Styles
 */

/* ========================================
   CSS VARIABLES
   ======================================== */

:root {
    --tools-primary: #cc3300;
    --tools-secondary: #39f;
    --tools-success: #28a745;
    --tools-warning: #ffc107;
    --tools-danger: #dc3545;
    --tools-dark: #1a1a2e;
    --tools-light: #f8f9fa;
    --tools-gradient: linear-gradient(135deg, #cc3300 0%, #e64a19 100%);
    --tools-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --tools-radius: 12px;
    --tools-transition: all 0.3s ease;
}

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

.tools-header {
    background: var(--card-bg, #fff);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.tools-header .header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.tools-header .logo-img {
    height: 40px;
    width: auto;
}

.tools-brand {
    text-decoration: none;
}

.tools-badge {
    background: var(--tools-gradient);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tools-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.tools-nav .nav-item {
    padding: 10px 18px;
    color: var(--text-primary, #374151);
    text-decoration: none;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--tools-transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tools-nav .nav-item:hover,
.tools-nav .nav-item.active {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--tools-primary);
}

.tools-nav .nav-dropdown {
    position: relative;
}

.tools-nav .dropdown-menu {
    min-width: 250px;
    border: none;
    box-shadow: var(--tools-shadow);
    border-radius: var(--tools-radius);
    padding: 10px;
}

.tools-nav .dropdown-item {
    padding: 10px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--tools-transition);
}

.tools-nav .dropdown-item:hover {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--tools-primary);
}

.tools-nav .dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--tools-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ========================================
   TOOLS HERO SECTION
   ======================================== */

.tools-hero {
    background: var(--tools-gradient);
    padding: 60px 0;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.tools-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
    background-size: 50px 50px;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0; }
    100% { background-position: 50px 50px; }
}

.tools-hero .container {
    position: relative;
    z-index: 1;
}

.tools-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.tools-hero .lead {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
}

/* ========================================
   TOOLS GRID
   ======================================== */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    padding: 40px 0;
}

.tool-card {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    box-shadow: var(--tools-shadow);
    overflow: hidden;
    transition: var(--tools-transition);
    border: 1px solid var(--border-color, #e5e7eb);
    position: relative;
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--tools-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.tool-card:hover::before {
    transform: scaleX(1);
}

.tool-card-icon {
    padding: 30px;
    text-align: center;
    background: var(--bg-secondary, #f9fafb);
}

.tool-card-icon i {
    font-size: 3rem;
    color: var(--tools-primary);
    transition: var(--tools-transition);
}

.tool-card:hover .tool-card-icon i {
    transform: scale(1.1);
}

.tool-card-body {
    padding: 25px;
}

.tool-card-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin-bottom: 10px;
}

.tool-card-description {
    color: var(--text-secondary, #6b7280);
    margin-bottom: 20px;
    line-height: 1.6;
}

.tool-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--tools-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--tools-transition);
}

.tool-card-link:hover {
    gap: 12px;
}

.tool-card-link i {
    transition: transform 0.3s ease;
}

.tool-card-link:hover i {
    transform: translateX(5px);
}

/* ========================================
   CALCULATOR LAYOUT
   ======================================== */

.calculator-page {
    padding: 40px 0 60px;
    min-height: calc(100vh - 200px);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

@media (max-width: 992px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }
}

.calculator-main {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    box-shadow: var(--tools-shadow);
    padding: 30px;
}

.calculator-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-ad {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    padding: 15px;
    text-align: center;
}

.sidebar-related {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    box-shadow: var(--tools-shadow);
    padding: 20px;
}

.sidebar-related h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary, #1f2937);
}

.related-tool-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: 8px;
    color: var(--text-primary, #374151);
    text-decoration: none;
    transition: var(--tools-transition);
    margin-bottom: 5px;
}

.related-tool-link:hover {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--tools-primary);
}

.related-tool-link i {
    width: 20px;
    text-align: center;
    color: var(--tools-primary);
}

/* ========================================
   FORM STYLES
   ======================================== */

.calculator-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary, #374151);
}

.form-group .form-hint {
    font-size: 0.85rem;
    color: var(--text-secondary, #6b7280);
    margin-top: 5px;
}

.input-group-text {
    background: var(--bg-secondary, #f3f4f6);
    border-color: var(--border-color, #d1d5db);
}

.form-control, .form-select {
    padding: 12px 15px;
    border: 2px solid var(--border-color, #d1d5db);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--tools-transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--tools-primary);
    box-shadow: 0 0 0 3px rgba(204, 51, 0, 0.1);
}

.form-control-lg {
    padding: 15px 20px;
    font-size: 1.2rem;
}

.btn-calculate {
    background: var(--tools-gradient);
    border: none;
    color: #fff;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--tools-transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(204, 51, 0, 0.3);
}

.btn-reset {
    background: var(--bg-secondary, #f3f4f6);
    border: 2px solid var(--border-color, #d1d5db);
    color: var(--text-primary, #374151);
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--tools-transition);
}

.btn-reset:hover {
    background: var(--border-color, #d1d5db);
}

/* ========================================
   RESULT DISPLAY
   ======================================== */

.result-section {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #86efac;
    border-radius: var(--tools-radius);
    padding: 25px;
    margin-top: 30px;
    display: none;
}

.result-section.visible {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.result-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #166534;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.result-actions {
    display: flex;
    gap: 10px;
}

.result-actions button {
    background: transparent;
    border: 1px solid #86efac;
    color: #166534;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--tools-transition);
    font-size: 0.9rem;
}

.result-actions button:hover {
    background: #86efac;
}

.result-main {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #86efac;
    margin-bottom: 20px;
}

.result-value {
    font-size: 3rem;
    font-weight: 700;
    color: #166534;
    margin-bottom: 5px;
}

.result-label {
    font-size: 1rem;
    color: #15803d;
}

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.result-detail-item {
    background: rgba(255, 255, 255, 0.7);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.result-detail-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
}

.result-detail-label {
    font-size: 0.85rem;
    color: var(--text-secondary, #6b7280);
    margin-top: 5px;
}

/* ========================================
   CHARTS
   ======================================== */

.chart-container {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    padding: 20px;
    margin-top: 30px;
}

.chart-container h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary, #1f2937);
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

/* ========================================
   INFO SECTIONS
   ======================================== */

.info-section {
    background: var(--card-bg, #fff);
    border-radius: var(--tools-radius);
    box-shadow: var(--tools-shadow);
    padding: 30px;
    margin-top: 40px;
}

.info-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color, #e5e7eb);
}

.info-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin: 25px 0 15px;
}

.info-section p {
    color: var(--text-secondary, #4b5563);
    line-height: 1.8;
    margin-bottom: 15px;
}

.info-section ul {
    padding-left: 20px;
    margin-bottom: 20px;
}

.info-section li {
    color: var(--text-secondary, #4b5563);
    line-height: 1.8;
    margin-bottom: 8px;
}

/* ========================================
   AD CONTAINERS
   ======================================== */

.ad-container {
    background: var(--bg-secondary, #f9fafb);
    border-radius: var(--tools-radius);
    padding: 15px;
    text-align: center;
    min-height: 100px;
}

.ad-container.ad-header {
    margin: 20px 0;
}

.ad-container.ad-content {
    margin: 30px 0;
}

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

.tools-footer {
    background: var(--tools-dark);
    color: #fff;
    padding: 60px 0 30px;
    margin-top: 60px;
}

.tools-footer h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
}

.tools-footer .footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-tools-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.footer-tool-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px;
    border-radius: 6px;
    transition: var(--tools-transition);
}

.footer-tool-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.footer-tool-link i {
    color: var(--tools-primary);
    width: 18px;
}

.tools-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tools-footer .footer-links li {
    margin-bottom: 10px;
}

.tools-footer .footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--tools-transition);
}

.tools-footer .footer-links a:hover {
    color: var(--tools-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 40px;
}

.copyright-text {
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--tools-transition);
}

.footer-social a:hover {
    background: var(--tools-primary);
    transform: translateY(-3px);
}

/* ========================================
   MOBILE NAVIGATION
   ======================================== */

.mobile-tools-nav {
    display: flex;
    flex-direction: column;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-primary, #374151);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--tools-transition);
}

.mobile-nav-item:hover {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--tools-primary);
}

.mobile-nav-item i {
    width: 20px;
    text-align: center;
    color: var(--tools-primary);
}

.mobile-nav-category {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary, #6b7280);
    padding: 15px 15px 5px;
    margin-top: 10px;
}

/* ========================================
   ANIMATIONS
   ======================================== */

.tool-card {
    opacity: 0;
    transform: translateY(30px);
}

.tool-card.animated {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* ========================================
   DARK THEME
   ======================================== */

[data-theme="dark"] .tools-header {
    background: var(--card-bg);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .tool-card,
[data-theme="dark"] .calculator-main,
[data-theme="dark"] .sidebar-related,
[data-theme="dark"] .info-section {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .tool-card-icon {
    background: var(--bg-secondary);
}

[data-theme="dark"] .result-section {
    background: linear-gradient(135deg, rgba(22, 101, 52, 0.2) 0%, rgba(21, 128, 61, 0.1) 100%);
    border-color: #166534;
}

[data-theme="dark"] .result-header h3,
[data-theme="dark"] .result-value {
    color: #4ade80;
}

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

@media (max-width: 768px) {
    .tools-hero {
        padding: 40px 0;
    }

    .tools-hero h1 {
        font-size: 1.8rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .calculator-main {
        padding: 20px;
    }

    .result-value {
        font-size: 2rem;
    }

    .result-details {
        grid-template-columns: 1fr 1fr;
    }

    .footer-tools-grid {
        grid-template-columns: 1fr;
    }
}