/* =====================================================
   XMPP Registration - Lemon-Blue Dark Theme
   ===================================================== */

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

/* CSS Variablen für einfache Anpassung */
:root {
    --lemon-blue: #00d4ff;
    --lemon-blue-bright: #00ffea;
    --lemon-blue-dark: #0099cc;
    --dark-bg: #0a0e1a;
    --dark-gradient: linear-gradient(135deg, #0a0e1a 0%, #0d1420 100%);
    --dark-card: #131827;
    --dark-hover: #1a2234;
    --text-primary: #e8eef7;
    --text-secondary: #a0aec0;
    --text-muted: #6b7280;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

/* Body */
body {
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--dark-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    flex: 1;
}

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    margin-bottom: 40px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--lemon-blue-bright), var(--lemon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* Main Content */
main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Info Box */
.info-box {
    background: var(--dark-card);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.info-box h2 {
    color: var(--lemon-blue);
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature {
    background: rgba(0, 212, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    text-align: center;
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--lemon-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.feature .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature h3 {
    color: var(--lemon-blue-bright);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature p {
    color: var(--text-secondary);
}

/* Form Section */
.form-section {
    background: var(--dark-card);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.form-section h2 {
    color: var(--lemon-blue);
    margin-bottom: 30px;
    font-size: 2rem;
    text-align: center;
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

label .icon {
    margin-right: 8px;
}

.optional {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Input Felder */
input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 15px;
    background: rgba(0, 212, 255, 0.05);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

input:focus {
    outline: none;
    border-color: var(--lemon-blue);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

input::placeholder {
    color: var(--text-muted);
}

/* Input Wrapper (für Domain-Suffix) */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    padding-right: 200px;
}

.domain-suffix {
    position: absolute;
    right: 15px;
    color: var(--text-secondary);
    font-weight: 500;
    pointer-events: none;
}

.domain-suffix span {
    color: var(--lemon-blue);
}

/* Password Wrapper */
.password-wrapper {
    position: relative;
    display: flex;
}

.password-wrapper input {
    padding-right: 50px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px 10px;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.toggle-password:hover {
    opacity: 1;
}

/* Help Text */
.help-text {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Status Messages */
.status-message {
    margin-top: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    display: none;
}

.status-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
    display: block;
}

.status-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    display: block;
}

.status-message.info {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--lemon-blue);
    color: var(--lemon-blue-bright);
    display: block;
}

/* Password Strength */
.password-strength {
    margin-top: 10px;
}

.strength-bar {
    height: 6px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 5px;
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.strength-fill.weak {
    width: 33%;
    background: var(--error);
}

.strength-fill.medium {
    width: 66%;
    background: var(--warning);
}

.strength-fill.strong {
    width: 100%;
    background: var(--success);
}

#strengthText {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Checkbox */
.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

/* Info Notice */
.info-notice {
    background: rgba(0, 212, 255, 0.08);
    border-left: 4px solid var(--lemon-blue);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
}

.info-notice strong {
    color: var(--lemon-blue-bright);
    display: block;
    margin-bottom: 10px;
}

.info-notice ul {
    margin-left: 20px;
}

.info-notice li {
    color: var(--text-secondary);
    margin: 5px 0;
}

/* Buttons */
.btn-submit {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--lemon-blue), var(--lemon-blue-bright));
    color: var(--dark-bg);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Message Box */
.message-box {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    font-weight: 500;
}

.message-box.success {
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid var(--success);
    color: var(--success);
}

.message-box.error {
    background: rgba(239, 68, 68, 0.15);
    border: 2px solid var(--error);
    color: var(--error);
}

/* Footer Links */
.footer-links {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--text-secondary);
}

.footer-links a {
    color: var(--lemon-blue);
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--lemon-blue-bright);
    text-decoration: underline;
}

/* Success Section */
.success-section {
    max-width: 700px;
    margin: 0 auto;
}

.success-card {
    background: var(--dark-card);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    border: 2px solid var(--success);
    box-shadow: 0 4px 30px rgba(16, 185, 129, 0.2);
}

.success-icon {
    font-size: 5rem;
    margin-bottom: 20px;
}

.success-card h2 {
    color: var(--success);
    margin-bottom: 30px;
}

.jid-display {
    margin: 30px 0;
}

.jid-box {
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid var(--lemon-blue);
    border-radius: 10px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.jid-box strong {
    color: var(--lemon-blue-bright);
    font-size: 1.3rem;
    word-break: break-all;
}

.copy-btn {
    background: var(--lemon-blue);
    color: var(--dark-bg);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--lemon-blue-bright);
    transform: scale(1.1);
}

.next-steps {
    text-align: left;
    margin: 30px 0;
    background: rgba(0, 212, 255, 0.05);
    padding: 20px;
    border-radius: 10px;
}

.next-steps h3 {
    color: var(--lemon-blue);
    margin-bottom: 15px;
}

.next-steps ol {
    margin-left: 25px;
}

.next-steps li {
    margin: 10px 0;
    color: var(--text-secondary);
}

.clients {
    margin: 30px 0;
}

.clients h3 {
    color: var(--lemon-blue);
    margin-bottom: 20px;
}

.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.client {
    background: rgba(0, 212, 255, 0.08);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.client strong {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.client a {
    color: var(--lemon-blue);
    text-decoration: none;
    font-weight: 500;
}

.client a:hover {
    color: var(--lemon-blue-bright);
    text-decoration: underline;
}

.btn-back {
    margin-top: 30px;
    padding: 12px 30px;
    background: var(--dark-hover);
    color: var(--text-primary);
    border: 2px solid var(--lemon-blue);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-back:hover {
    background: var(--lemon-blue);
    color: var(--dark-bg);
}

/* Statistics */
.stats-section {
    background: var(--dark-card);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    text-align: center;
}

.stats-section h3 {
    color: var(--lemon-blue);
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--lemon-blue-bright);
}

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

/* Footer */
footer {
    margin-top: 60px;
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--text-secondary);
}

footer a {
    color: var(--lemon-blue);
    text-decoration: none;
}

footer a:hover {
    color: var(--lemon-blue-bright);
    text-decoration: underline;
}

.tech-info {
    margin-top: 10px;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .form-section {
        padding: 25px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .client-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Links allgemein */
a {
    color: var(--lemon-blue);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--lemon-blue-bright);
}