/**
 * Modern Custom Auth - Frontend Stylesheet
 * Responsive, Glassmorphic & Modern Design System
 */

:root {
    --mca-primary: #4f46e5;
    --mca-primary-hover: #4338ca;
    --mca-primary-light: rgba(79, 70, 229, 0.12);
    --mca-accent: #06b6d4;
    --mca-radius: 16px;
    --mca-radius-sm: 10px;
    --mca-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Light / Default Theme Tokens */
    --mca-bg-surface: #ffffff;
    --mca-bg-glass: rgba(255, 255, 255, 0.85);
    --mca-text-main: #0f172a;
    --mca-text-muted: #64748b;
    --mca-border: #e2e8f0;
    --mca-input-bg: #f8fafc;
    --mca-input-focus-border: var(--mca-primary);
    --mca-shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.1);
    --mca-shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--mca-border);
    --mca-blur: blur(16px);
    
    /* Feedback Colors */
    --mca-success: #10b981;
    --mca-success-bg: rgba(16, 185, 129, 0.1);
    --mca-error: #ef4444;
    --mca-error-bg: rgba(239, 68, 68, 0.1);
    --mca-info: #3b82f6;
    --mca-info-bg: rgba(59, 130, 246, 0.1);
}

/* ==========================================================================
   Dark Glow Theme Mode
   ========================================================================== */
.mca-theme-dark_glow,
.mca-dark-mode {
    --mca-bg-surface: #0f172a;
    --mca-bg-glass: rgba(15, 23, 42, 0.85);
    --mca-text-main: #f8fafc;
    --mca-text-muted: #94a3b8;
    --mca-border: rgba(255, 255, 255, 0.12);
    --mca-input-bg: rgba(30, 41, 59, 0.7);
    --mca-shadow-modal: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 25px rgba(79, 70, 229, 0.2);
    --mca-shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Modern Glass Theme Mode
   ========================================================================== */
.mca-theme-modern_glass {
    --mca-bg-glass: rgba(255, 255, 255, 0.75);
    --mca-blur: blur(20px);
}

/* ==========================================================================
   Menü Button & Avatar Navigation Integration
   ========================================================================== */
.mca-menu-item {
    display: inline-flex !important;
    align-items: center !important;
    margin-left: 6px !important;
    margin-right: 6px !important;
}

.mca-nav-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 8px 16px !important;
    border-radius: 9999px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    transition: var(--mca-transition) !important;
    cursor: pointer !important;
    line-height: 1.4 !important;
}

.mca-nav-btn-ghost {
    color: var(--mca-text-main) !important;
    background: transparent !important;
    border: 1px solid var(--mca-border) !important;
}

.mca-nav-btn-ghost:hover {
    background: var(--mca-primary-light) !important;
    border-color: var(--mca-primary) !important;
    color: var(--mca-primary) !important;
    transform: translateY(-1px);
}

.mca-nav-btn-primary {
    background: linear-gradient(135deg, var(--mca-primary), var(--mca-accent)) !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25) !important;
}

.mca-nav-btn-primary:hover {
    opacity: 0.95 !important;
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35) !important;
    transform: translateY(-1px);
    color: #ffffff !important;
}

.mca-nav-btn-outline {
    border: 1px solid var(--mca-border) !important;
    color: var(--mca-text-muted) !important;
    background: transparent !important;
}

.mca-nav-btn-outline:hover {
    border-color: var(--mca-error) !important;
    color: var(--mca-error) !important;
    background: var(--mca-error-bg) !important;
}

.mca-user-badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
    padding: 4px 12px 4px 4px !important;
    background: var(--mca-input-bg) !important;
    border: 1px solid var(--mca-border) !important;
    border-radius: 9999px !important;
    color: var(--mca-text-main) !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    transition: var(--mca-transition) !important;
}

.mca-menu-avatar {
    border-radius: 50% !important;
    display: block !important;
}

/* ==========================================================================
   Global Modal Fenster
   ========================================================================== */
.mca-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mca-modal-overlay.is-active {
    opacity: 1;
    visibility: visible;
    display: flex !important;
}

.mca-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.mca-modal-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 440px;
    margin: 20px;
    background: var(--mca-bg-glass);
    backdrop-filter: var(--mca-blur);
    -webkit-backdrop-filter: var(--mca-blur);
    border-radius: var(--mca-radius);
    border: 1px solid var(--mca-border);
    box-shadow: var(--mca-shadow-modal);
    padding: 32px;
    transform: scale(0.94) translateY(10px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.mca-modal-overlay.is-active .mca-modal-container {
    transform: scale(1) translateY(0);
}

.mca-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--mca-input-bg);
    border: 1px solid var(--mca-border);
    color: var(--mca-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--mca-transition);
    padding: 0;
}

.mca-modal-close:hover {
    color: var(--mca-text-main);
    background: var(--mca-border);
    transform: rotate(90deg);
}

/* Modal Navigation Tabs */
.mca-modal-tabs,
.mca-tabs-nav {
    display: flex;
    background: var(--mca-input-bg);
    border: 1px solid var(--mca-border);
    border-radius: var(--mca-radius-sm);
    padding: 4px;
    margin-bottom: 24px;
    gap: 4px;
}

.mca-modal-tab-btn,
.mca-tab-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    border-radius: calc(var(--mca-radius-sm) - 4px);
    font-size: 14px;
    font-weight: 600;
    color: var(--mca-text-muted);
    cursor: pointer;
    transition: var(--mca-transition);
    text-align: center;
}

.mca-modal-tab-btn.active,
.mca-tab-btn.active {
    background: var(--mca-bg-surface);
    color: var(--mca-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ==========================================================================
   Standalone Auth Cards & Shortcode Container
   ========================================================================== */
.mca-auth-card {
    max-width: 460px;
    margin: 30px auto;
    background: var(--mca-bg-surface);
    border: 1px solid var(--mca-border);
    border-radius: var(--mca-radius);
    box-shadow: var(--mca-shadow-card);
    padding: 32px;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   Formular Header & Typografie
   ========================================================================== */
.mca-form-header {
    text-align: center;
    margin-bottom: 24px;
}

.mca-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--mca-text-main);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

.mca-subtitle {
    font-size: 14px;
    color: var(--mca-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* ==========================================================================
   Formularelemente & Inputs
   ========================================================================== */
.mca-auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mca-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mca-input-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--mca-text-main);
}

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

.mca-forgot-pw-link {
    font-size: 12px;
    color: var(--mca-primary);
    text-decoration: none;
    transition: var(--mca-transition);
}

.mca-forgot-pw-link:hover {
    text-decoration: underline;
}

.mca-input-box {
    position: relative;
    display: flex;
    align-items: center;
}

.mca-input-box .mca-icon {
    position: absolute;
    left: 14px;
    color: var(--mca-text-muted);
    pointer-events: none;
    transition: var(--mca-transition);
}

.mca-input-box input[type="text"],
.mca-input-box input[type="email"],
.mca-input-box input[type="password"] {
    width: 100% !important;
    padding: 12px 14px 12px 42px !important;
    background: var(--mca-input-bg) !important;
    border: 1px solid var(--mca-border) !important;
    border-radius: var(--mca-radius-sm) !important;
    color: var(--mca-text-main) !important;
    font-size: 14px !important;
    outline: none !important;
    transition: var(--mca-transition) !important;
    box-sizing: border-box !important;
    line-height: 1.5 !important;
    height: auto !important;
}

.mca-input-box input:focus {
    background: var(--mca-bg-surface) !important;
    border-color: var(--mca-primary) !important;
    box-shadow: 0 0 0 4px var(--mca-primary-light) !important;
}

.mca-input-box input:focus + .mca-icon,
.mca-input-box:focus-within .mca-icon {
    color: var(--mca-primary);
}

.mca-toggle-pw {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--mca-text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--mca-transition);
}

.mca-toggle-pw:hover {
    color: var(--mca-text-main);
}

/* Passwort-Stärke-Balken */
.mca-strength-meter {
    margin-top: 4px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mca-strength-bar {
    height: 4px;
    width: 100%;
    background: var(--mca-border);
    border-radius: 2px;
    overflow: hidden;
}

.mca-strength-fill {
    height: 100%;
    width: 0;
    transition: width 0.3s ease, background-color 0.3s ease;
}

.mca-strength-text {
    font-size: 11px;
    color: var(--mca-text-muted);
    text-align: right;
}

/* Checkbox Styling */
.mca-form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 4px 0;
}

.mca-checkbox-container {
    display: inline-flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    font-size: 13px;
    color: var(--mca-text-muted);
    user-select: none;
    gap: 8px;
    line-height: 1.4;
}

.mca-checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.mca-checkmark {
    height: 18px;
    width: 18px;
    background-color: var(--mca-input-bg);
    border: 1px solid var(--mca-border);
    border-radius: 5px;
    display: inline-block;
    position: relative;
    transition: var(--mca-transition);
    flex-shrink: 0;
}

.mca-checkbox-container:hover input ~ .mca-checkmark {
    border-color: var(--mca-primary);
}

.mca-checkbox-container input:checked ~ .mca-checkmark {
    background-color: var(--mca-primary);
    border-color: var(--mca-primary);
}

.mca-checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.mca-checkbox-container input:checked ~ .mca-checkmark:after {
    display: block;
}

/* ==========================================================================
   Buttons & Interaktionen
   ========================================================================== */
.mca-submit-btn,
.mca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 20px;
    background: linear-gradient(135deg, var(--mca-primary), var(--mca-accent));
    color: #ffffff !important;
    border: none;
    border-radius: var(--mca-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    transition: var(--mca-transition);
    text-decoration: none;
    box-sizing: border-box;
}

.mca-submit-btn:hover,
.mca-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    opacity: 0.97;
}

.mca-submit-btn:active,
.mca-btn:active {
    transform: translateY(1px);
}

.mca-btn-secondary {
    background: var(--mca-input-bg);
    color: var(--mca-text-main) !important;
    border: 1px solid var(--mca-border);
    box-shadow: none;
}

.mca-btn-secondary:hover {
    background: var(--mca-border);
    box-shadow: none;
}

.mca-btn-danger {
    background: var(--mca-error-bg);
    color: var(--mca-error) !important;
    border: 1px solid rgba(239, 68, 68, 0.2);
    box-shadow: none;
}

.mca-btn-danger:hover {
    background: var(--mca-error);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Spinner Animation */
.mca-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: mca-spin 0.8s linear infinite;
    display: inline-block;
}

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

/* ==========================================================================
   Feedback Alert Boxen
   ========================================================================== */
.mca-feedback-area {
    margin-bottom: 16px;
}

.mca-alert {
    padding: 12px 16px;
    border-radius: var(--mca-radius-sm);
    font-size: 13.5px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: mca-fadeIn 0.3s ease;
}

@keyframes mca-fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.mca-alert-error {
    background: var(--mca-error-bg);
    color: var(--mca-error);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.mca-alert-success {
    background: var(--mca-success-bg);
    color: var(--mca-success);
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.mca-alert-info {
    background: var(--mca-info-bg);
    color: var(--mca-info);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

/* Footer Switch Links */
.mca-footer-prompt {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--mca-text-muted);
}

.mca-switch-link {
    color: var(--mca-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--mca-transition);
}

.mca-link-bold {
    font-weight: 700;
    margin-left: 4px;
}

.mca-switch-link:hover {
    text-decoration: underline;
}

/* ==========================================================================
   User Profilkarte (Eingeloggt)
   ========================================================================== */
.mca-user-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mca-user-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mca-avatar-wrapper .mca-user-avatar {
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--mca-border);
}

.mca-user-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mca-user-fullname {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--mca-text-main);
}

.mca-user-email {
    margin: 0;
    font-size: 13px;
    color: var(--mca-text-muted);
}

.mca-role-badge {
    display: inline-block;
    align-self: flex-start;
    padding: 2px 8px;
    background: var(--mca-primary-light);
    color: var(--mca-primary);
    font-size: 11px;
    font-weight: 700;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.mca-user-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Responsive Anpassungen */
@media (max-width: 480px) {
    .mca-modal-container {
        padding: 24px 18px;
        margin: 12px;
    }
    .mca-title {
        font-size: 20px;
    }
}