/**
 * Formularz Rejestracji Konferencji PTTD – Style
 * 
 * Styl inspirowany stroną konferencji: https://pttd.org.pl
 * Kolorystyka: navy (#1a2a4a), ivory, white, accent blue
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --pttd-navy: #1a2a4a;
    --pttd-navy-deep: #0f1d36;
    --pttd-navy-light: #243b63;
    --pttd-blue: #2d5f9e;
    --pttd-blue-soft: #4a7fc4;
    --pttd-ivory: #f9f7f0;
    --pttd-ivory-border: #e8e4d8;
    --pttd-silver: #d4d6da;
    --pttd-silver-soft: #eceef1;
    --pttd-white: #ffffff;
    --pttd-background: #fafbfc;
    --pttd-text: #1a2a4a;
    --pttd-text-muted: #6b7a90;
    --pttd-success: #27ae60;
    --pttd-error: #c0392b;
    --pttd-warning: #e67e22;
    --pttd-radius: 8px;
    --pttd-shadow: 0 2px 12px rgba(26, 42, 74, 0.08);
    --pttd-shadow-hover: 0 4px 20px rgba(26, 42, 74, 0.15);
    --pttd-font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ============================================
   GLOBAL RESET
   ============================================ */
.pttd-form-wrapper,
.pttd-form-wrapper *,
.pttd-form-wrapper *::before,
.pttd-form-wrapper *::after {
    box-sizing: border-box;
}

.pttd-form-wrapper {
    font-family: var(--pttd-font);
    color: var(--pttd-text);
    max-width: 800px;
    margin: 0 auto;
    padding: 0;
    line-height: 1.6;
    font-size: 15px;
}

/* ============================================
   HEADER
   ============================================ */
.pttd-form-header {
    background: var(--pttd-navy);
    color: var(--pttd-white);
    padding: 40px 36px;
    text-align: center;
    border-radius: var(--pttd-radius) var(--pttd-radius) 0 0;
    position: relative;
    overflow: hidden;
}

.pttd-form-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.pttd-form-header h2 {
    color: var(--pttd-white);
    margin: 0 0 8px 0;
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.3px;
    position: relative;
}

.pttd-form-subtitle {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    font-size: 14px;
    font-weight: 400;
    position: relative;
}

/* ============================================
   FORM SECTIONS
   ============================================ */
#pttd-form {
    background: var(--pttd-white);
    border: 1px solid var(--pttd-silver);
    border-top: none;
    border-radius: 0 0 var(--pttd-radius) var(--pttd-radius);
}

.pttd-form-section {
    padding: 32px 36px;
    border-bottom: 1px solid var(--pttd-silver-soft);
    transition: background 0.2s ease;
}

.pttd-form-section:last-of-type {
    border-bottom: none;
}

.pttd-form-section:not(.pttd-summary-section):not(.pttd-consents-section):hover {
    background: rgba(249, 247, 240, 0.3);
}

.pttd-form-section h3 {
    color: var(--pttd-navy);
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 6px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--pttd-navy);
    letter-spacing: -0.2px;
}

.pttd-section-note {
    color: var(--pttd-text-muted);
    font-size: 13px;
    margin: 8px 0 20px 0;
}

/* ============================================
   FORM FIELDS
   ============================================ */
.pttd-form-row {
    margin-bottom: 20px;
}

.pttd-form-row:last-child {
    margin-bottom: 0;
}

.pttd-form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .pttd-form-row-2col {
        grid-template-columns: 1fr;
    }
}

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

.pttd-form-group:last-child {
    margin-bottom: 0;
}

.pttd-form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: var(--pttd-navy);
    margin-bottom: 6px;
}

.pttd-form-group input[type="text"],
.pttd-form-group input[type="email"],
.pttd-form-group input[type="tel"],
.pttd-form-group input[type="date"],
.pttd-form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--pttd-silver);
    border-radius: 6px;
    font-family: var(--pttd-font);
    font-size: 15px;
    color: var(--pttd-text);
    background: var(--pttd-white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.pttd-form-group input:focus,
.pttd-form-group textarea:focus {
    border-color: var(--pttd-blue);
    box-shadow: 0 0 0 3px rgba(45, 95, 158, 0.12);
}

.pttd-form-group input:invalid:not(:placeholder-shown),
.pttd-form-group textarea:invalid:not(:placeholder-shown) {
    border-color: var(--pttd-error);
}

.pttd-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ============================================
   WORKSHOP CARDS
   ============================================ */
.pttd-workshop-card {
    display: block;
    cursor: pointer;
    margin-bottom: 12px;
    position: relative;
}

.pttd-workshop-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.pttd-workshop-card-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    border: 2px solid var(--pttd-silver);
    border-radius: var(--pttd-radius);
    background: var(--pttd-white);
    transition: all 0.25s ease;
    box-shadow: var(--pttd-shadow);
}

.pttd-workshop-card:hover .pttd-workshop-card-content {
    border-color: var(--pttd-blue-soft);
    box-shadow: var(--pttd-shadow-hover);
}

.pttd-workshop-card input:checked + .pttd-workshop-card-content {
    border-color: var(--pttd-navy);
    background: var(--pttd-ivory);
    box-shadow: 0 0 0 3px rgba(26, 42, 74, 0.1);
}

/* Full workshop (disabled) */
.pttd-workshop-full {
    cursor: not-allowed;
    opacity: 0.55;
}

.pttd-workshop-full .pttd-workshop-card-content {
    background: var(--pttd-silver-soft);
    border-style: dashed;
}

.pttd-workshop-full:hover .pttd-workshop-card-content {
    border-color: var(--pttd-silver);
    box-shadow: none;
}

.pttd-workshop-leaders {
    font-size: 12px;
    font-weight: 600;
    color: var(--pttd-blue);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 100%;
}

.pttd-workshop-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--pttd-navy);
    flex: 1;
    min-width: 200px;
}

.pttd-workshop-subtitle {
    font-size: 12px;
    color: var(--pttd-text-muted);
    width: 100%;
}

.pttd-workshop-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

.pttd-workshop-spots {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
}

.pttd-spots-available {
    background: rgba(39, 174, 96, 0.1);
    color: var(--pttd-success);
}

.pttd-spots-full {
    background: rgba(192, 57, 43, 0.1);
    color: var(--pttd-error);
}

.pttd-ortho-note {
    margin-top: 16px;
    padding: 16px 20px;
    background: rgba(45, 95, 158, 0.06);
    border-left: 3px solid var(--pttd-blue);
    border-radius: 0 6px 6px 0;
    font-size: 13px;
    color: var(--pttd-text-muted);
}

.pttd-ortho-note ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.pttd-ortho-note li {
    margin-bottom: 3px;
}

/* ============================================
   SUMMARY
   ============================================ */
.pttd-summary-section {
    background: var(--pttd-navy);
    color: var(--pttd-white);
    border-radius: 0;
    margin: 0;
}

.pttd-summary-section h3 {
    color: var(--pttd-white);
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

#pttd-summary-content table {
    width: 100%;
    border-collapse: collapse;
    color: var(--pttd-white);
}

#pttd-summary-content table td {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 14px;
}

#pttd-summary-content table td:last-child {
    text-align: right;
    font-weight: 600;
}

#pttd-summary-content .pttd-summary-total {
    font-size: 22px;
    font-weight: 700;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    text-align: right;
}

/* ============================================
   CONSENTS (ZGODY)
   ============================================ */
.pttd-consents-section {
    background: var(--pttd-ivory);
    border-radius: 0;
    margin: 0;
}

.pttd-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}

.pttd-checkbox-label:last-child {
    margin-bottom: 0;
}

.pttd-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--pttd-navy);
    cursor: pointer;
}

.pttd-checkbox-text {
    color: var(--pttd-text);
}

.pttd-checkbox-text strong {
    color: var(--pttd-navy);
}

/* ============================================
   SUBMIT BUTTON
   ============================================ */
.pttd-form-submit-wrapper {
    text-align: center;
    padding: 32px 36px;
    border-top: 1px solid var(--pttd-silver);
}

.pttd-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 48px;
    background: var(--pttd-navy);
    color: var(--pttd-white);
    border: none;
    border-radius: 6px;
    font-family: var(--pttd-font);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.3px;
    min-width: 240px;
}

.pttd-submit-btn:hover {
    background: var(--pttd-navy-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(26, 42, 74, 0.3);
}

.pttd-submit-btn:active {
    transform: translateY(0);
}

.pttd-submit-btn:disabled {
    background: var(--pttd-silver);
    color: var(--pttd-text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pttd-btn-spinner .spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pttd-spin 0.6s linear infinite;
}

/* ============================================
   ALERTS
   ============================================ */
.pttd-alert {
    padding: 16px 20px;
    border-radius: var(--pttd-radius);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
    display: none;
}

.pttd-alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: #1e7d45;
    border: 1px solid rgba(39, 174, 96, 0.25);
}

.pttd-alert-error {
    background: rgba(192, 57, 43, 0.08);
    color: #a93226;
    border: 1px solid rgba(192, 57, 43, 0.25);
}

/* ============================================
   FOOTER
   ============================================ */
.pttd-form-footer {
    text-align: center;
    padding: 16px;
    font-size: 13px;
    color: var(--pttd-text-muted);
}

/* ============================================
   LOADER OVERLAY
   ============================================ */
.pttd-loader-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 42, 74, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.pttd-loader-content {
    background: var(--pttd-white);
    padding: 32px 48px;
    border-radius: var(--pttd-radius);
    text-align: center;
    box-shadow: var(--pttd-shadow-hover);
}

.pttd-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--pttd-silver-soft);
    border-top-color: var(--pttd-navy);
    border-radius: 50%;
    animation: pttd-spin 0.7s linear infinite;
    margin: 0 auto 12px;
}

.pttd-loader-content p {
    color: var(--pttd-text);
    font-size: 15px;
    font-weight: 600;
    margin: 0;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .pttd-form-header {
        padding: 28px 20px;
    }

    .pttd-form-header h2 {
        font-size: 21px;
    }

    .pttd-form-section {
        padding: 24px 20px;
    }

    .pttd-workshop-card-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .pttd-workshop-meta {
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }

    .pttd-submit-btn {
        width: 100%;
        min-width: 0;
    }
}