/*
Theme Name: KI Portal Pro
Theme URI: https://ihre-domain.de
Author: Ihr Name
Author URI: https://ihre-domain.de
Description: Modernes Theme für KI-Portal mit Fokus auf Benutzerfreundlichkeit und Performance.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ki-portal
*/

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

/* Grundlegendes Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --tertiary-bg: #334155;
    --primary-text: #e2e8f0;
    --secondary-text: #94a3b8;
    --accent-color: #6366f1;
    --accent-hover: #4f46e5;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-color: #334155;
    --card-bg: rgba(15, 23, 42, 0.7);
    --card-border: rgba(30, 41, 59, 0.5);
    --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(30, 41, 59, 0.5);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

[data-theme="light"] {
    --primary-bg: #f8fafc;
    --secondary-bg: #ffffff;
    --tertiary-bg: #f1f5f9;
    --primary-text: #1e293b;
    --secondary-text: #64748b;
    --border-color: #e2e8f0;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(203, 213, 225, 0.3);
    --card-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    min-height: 100vh;
    background-image: radial-gradient(circle at 10% 20%, rgba(30, 41, 59, 0.2) 0%, transparent 20%), 
                     radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 20%);
    background-attachment: fixed;
    background-size: cover;
}

/* ===== Header ===== */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--secondary-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-logo {
    height: 40px;
    width: auto;
}

.site-title a {
    color: var(--primary-text);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--accent-color), #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-description {
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.main-navigation a {
    color: var(--primary-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.main-navigation a:hover,
.main-navigation .current-menu-item a {
    background-color: var(--accent-color);
    color: white;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--tertiary-bg);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--accent-color);
    transform: rotate(15deg);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
}

/* ===== Hauptinhalt ===== */
.site-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ===== KI-Dashboard ===== */
.ki-dashboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.ki-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.ki-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.ki-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.ki-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.ki-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-text);
}

.ki-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ki-card-icon svg {
    width: 20px;
    height: 20px;
    color: var(--accent-color);
}

.ki-balance-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.ki-coin-display {
    text-align: center;
    margin-bottom: 1.5rem;
}

.ki-coin-amount {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--accent-color), var(--accent-hover));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: block;
    line-height: 1;
}

.ki-coin-label {
    color: var(--secondary-text);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ki-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    font-size: 0.95rem;
    gap: 0.5rem;
}

.ki-btn:hover {
    transform: translateY(-2px);
}

.ki-primary-btn {
    background: linear-gradient(to right, var(--accent-color), var(--accent-hover));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.ki-primary-btn:hover {
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.ki-secondary-btn {
    background: transparent;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

/* ===== KI-Chat-System ===== */
.ki-chat-system {
    display: flex;
    height: 70vh;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
}

.ki-chat-list {
    width: 300px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.5);
}

.ki-chat-header {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ki-chat-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.ki-chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.ki-chat-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 8px;
}

.ki-chat-item:hover, 
.ki-chat-item.active {
    background: rgba(99, 102, 241, 0.1);
}

.ki-chat-icon {
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.ki-chat-icon svg {
    width: 18px;
    height: 18px;
    color: var(--accent-color);
}

.ki-chat-details {
    flex-grow: 1;
    min-width: 0;
}

.ki-chat-title {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.ki-chat-preview {
    font-size: 0.8rem;
    color: var(--secondary-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ki-chat-active {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ki-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.ki-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.ki-message-user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    border-bottom-right-radius: 4px;
}

.ki-message-assistant {
    align-self: flex-start;
    background: var(--tertiary-bg);
    color: var(--primary-text);
    border-bottom-left-radius: 4px;
}

.ki-chat-input {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.ki-user-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--primary-text);
    resize: none;
    min-height: 60px;
}

.ki-user-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.ki-send-button {
    align-self: flex-end;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.ki-send-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--secondary-bg);
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-column h3 {
    color: var(--primary-text);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--secondary-text);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    max-width: 1400px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: var(--secondary-text);
    transition: var(--transition);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--tertiary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-3px);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .ki-chat-system {
        height: 60vh;
    }
}

@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .main-navigation ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .ki-chat-system {
        flex-direction: column;
        height: 80vh;
    }
    
    .ki-chat-list {
        width: 100%;
        max-height: 150px;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

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