/* ==========================================================================
   TSG Hohenlohe - Mitgliedsantrag v2 (Mobile-First Stylesheet)
   ========================================================================== */

:root {
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --secondary-color: #495057;
    --success-color: #198754;
    --danger-color: #dc3545;
    --bg-surface: #ffffff;
    --bg-page: #f4f6f9;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --card-radius: 16px;
    --input-radius: 10px;
    --tap-target: 48px;
    --transition: all 0.2s ease-in-out;
}

[data-bs-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --bg-surface: #1e293b;
    --bg-page: #0f172a;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

/* Base setup */
html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-page);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
    padding-bottom: 60px;
}

/* Mobile-Centric Container */
.form-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 12px 16px;
}

/* Floating Top Bar (Language & Theme) */
.top-action-bar {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: rgba(244, 246, 249, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 0;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

[data-bs-theme="dark"] .top-action-bar {
    background: rgba(15, 23, 42, 0.92);
    border-bottom-color: rgba(51, 65, 85, 0.8);
}

/* Header Area */
.app-header-card {
    background: linear-gradient(135deg, #0d6efd 0%, #084298 100%);
    color: #ffffff;
    border-radius: var(--card-radius);
    padding: 24px 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 25px -5px rgba(13, 110, 253, 0.25);
    position: relative;
    overflow: hidden;
}

.app-header-card::after {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.header-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

/* Step / Progress Indicator */
.progress-bar-container {
    background: var(--bg-surface);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.progress-track {
    height: 6px;
    border-radius: 10px;
    background: var(--border-color);
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0d6efd, #00d2ff);
    width: 0%;
    transition: width 0.4s ease;
}

/* Modern Card Sections */
.form-section-card {
    background: var(--bg-surface);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    padding: 20px 18px;
    margin-bottom: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

.form-section-card:focus-within {
    border-color: #93c5fd;
    box-shadow: 0 6px 16px rgba(13, 110, 253, 0.08);
}

.section-title {
    font-size: 1.05rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(13, 110, 253, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

/* Touch Input Fields */
.form-group-field {
    margin-bottom: 16px;
    position: relative;
    scroll-margin-top: 90px; /* Offset for auto-scrolling */
}

.form-group-field label {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 6px;
    display: block;
    color: var(--text-primary);
}

.form-group-field label .req {
    color: var(--danger-color);
    margin-left: 2px;
}

/* 16px prevents iOS Safari from zooming upon focus */
.form-control,
.form-select {
    min-height: var(--tap-target);
    font-size: 16px !important;
    border-radius: var(--input-radius);
    border: 1.5px solid var(--border-color);
    padding: 10px 14px;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.18);
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

/* Auto-scroll Pulse Effect */
.field-active-highlight {
    animation: pulseBorder 1.2s ease-in-out;
}

@keyframes pulseBorder {
    0% { transform: scale(1); }
    50% { transform: scale(1.015); box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.25); }
    100% { transform: scale(1); }
}

/* IBAN Format Helper & Icon Fix */
.iban-input-wrap {
    position: relative;
}

.iban-input-wrap .form-control {
    background-image: none !important; /* Disable Bootstrap duplicate background icons */
    padding-right: 44px !important;
}

.iban-input-wrap .iban-status-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.15rem;
    pointer-events: none;
    z-index: 5;
}

/* ==========================================================================
   Modern Mobile Membership Selector (Horizontal Row: Radio -> Icon -> Text)
   ========================================================================== */
.membership-card-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.membership-card {
    position: relative;
    border: 1.5px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-surface);
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 14px !important;
    flex-wrap: nowrap !important;
    min-height: 56px;
    user-select: none;
    -webkit-user-select: none;
    width: 100%;
}

.membership-card:active {
    transform: scale(0.985);
}

.membership-card:hover {
    border-color: #93c5fd;
    background: rgba(13, 110, 253, 0.02);
}

/* Radio Button inside card: visible, clearly sized, beside icon */
.membership-card .membership-radio {
    width: 22px !important;
    height: 22px !important;
    margin: 0 !important;
    flex-shrink: 0 !important;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.membership-card-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(13, 110, 253, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.membership-card-title {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
    flex: 1;
}

/* Selected Active State */
.membership-card.selected {
    border-color: var(--primary-color) !important;
    background: rgba(13, 110, 253, 0.06) !important;
    box-shadow: 0 3px 10px rgba(13, 110, 253, 0.12) !important;
}

.membership-card.selected .membership-card-icon {
    background: var(--primary-color);
    color: #ffffff !important;
}

.membership-card.selected .membership-card-title {
    color: var(--primary-color);
}

/* Big Sticky Submit Button */
.submit-action-wrap {
    margin-top: 24px;
    padding-top: 10px;
}

.btn-mobile-submit {
    min-height: 52px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(13, 110, 253, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.btn-mobile-submit:active {
    transform: scale(0.98);
}

/* Info Collapse Box */
.info-accordion-card {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-top: 18px;
    background: var(--bg-surface);
}

.info-accordion-header {
    padding: 14px 16px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.015);
}

.info-accordion-body {
    padding: 14px 16px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

/* Auto-Scroll Navigation Controls (Floating Buttons) */
.mobile-nav-fab {
    position: fixed;
    bottom: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1010;
}

.fab-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.fab-btn:active {
    transform: scale(0.92);
}

/* Error Alert */
.mobile-error-toast {
    border-radius: 12px;
    border-left: 5px solid var(--danger-color);
}