/* ================================================================
   STRAUMANN CAMPUS — Shared Seminar Module Stylesheet
   ================================================================
   Loads after style.css which provides :root CSS custom properties.
   This file contains only shared UI component styles used across
   multiple seminar frontend pages.
   ================================================================ */

/* ================================================================
   a) BASE / RESET OVERRIDES
   ================================================================ */
body {
    background-color: #f4f4f4 !important;
}

/* ================================================================
   b) LAYOUT
   ================================================================ */
.str-page {
    font-family: 'Pretendard', 'Noto Sans KR', Arial, sans-serif;
    padding: 3rem 0;
    color: #333;
}

.str-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.str-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: flex-start;
}

.str-main {
    flex: 1;
    min-width: 0;
}

.str-section {
    margin-bottom: 5rem;
    scroll-margin-top: 150px;
}

/* ================================================================
   c) TYPOGRAPHY
   ================================================================ */
.str-page-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: #007664;
    margin: 0 0 0.75rem;
    padding-bottom: 0;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.str-section-title {
    font-size: 1.75rem;
    color: #007664;     /* Brand primary */
    font-weight: 700;
    margin: 0 0 1.5rem 0;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.str-eyebrow {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    font-weight: 700;
    text-transform: uppercase;
    opacity: 0.68;
}

.str-meta-text {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.6;
}

/* ================================================================
   d) BUTTONS
   ================================================================ */
.str-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #007664;
    color: #fff;
    padding: 10px 24px;
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 1rem;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    line-height: 1.2;
    letter-spacing: 0.04em;
    text-align: center;
}
.str-btn:hover {
    background: #005a4a;
}

/* Unified button system for pages using style.css variables */
.str-btn--primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-main);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    line-height: 1.2;
}
.str-btn--primary:hover {
    background: var(--color-primary-dark);
}

.str-btn--outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.55rem 0.875rem;
    background: white;
    border: 1px solid var(--color-border);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--brand-navy);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    line-height: 1.2;
    white-space: nowrap;
}
.str-btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.str-btn--danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 44px;
    padding: 0.55rem 0.875rem;
    background: #fff4f4;
    border: 1px solid #f1c5c5;
    color: #b64040;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
    line-height: 1.2;
    white-space: nowrap;
}

.str-btn--sm {
    font-size: 0.82rem;
    padding: 0.5rem 0.75rem;
    min-height: 44px;
}

.str-btn--lg {
    padding: 1rem 1.5rem;
    font-size: 1rem;
}

.str-btn--copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: white;
    color: var(--gray-400);
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
    font-size: 0.875rem;
    padding: 0;
}
.str-btn--copy:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}
.str-btn--copy.copied {
    border-color: var(--color-primary);
    color: white;
    background: var(--color-primary);
}

/* ================================================================
   e) CARDS (list.php grid cards)
   ================================================================ */
.str-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.str-card {
    background-color: #fff;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.str-card-img-box {
    width: 100%;
    padding-top: 56.25%; /* 16:9 */
    position: relative;
    background-color: #007664;
    overflow: hidden;
}

.str-card-img {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}

.str-card-placeholder {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.3); font-weight: bold; font-size: 1.2rem;
    letter-spacing: 2px;
}

.str-card-body {
    padding: 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.875rem;
}

.str-card-status {
    font-size: 0.95rem;
    color: #007664;
    margin-bottom: 0;
    padding: 6px 0;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.str-card-status i {
    margin-right: 4px;
    color: #007664;
}

.str-card-title {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.45;
    margin: 0;
    color: #000;
    letter-spacing: -0.01em;
}
.str-card-title a {
    color: #333;
    text-decoration: none;
}
.str-card-title a:hover {
    color: #007664;
}

.str-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 0;
    flex: 1;
}
.str-card-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.55;
}
.str-card-meta i {
    color: #aaa;
}

.str-card-instructor {
    display: flex;
    align-items: center;
    gap: 10px;
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
    margin-top: auto;
}

.str-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 0.85rem;
    overflow: hidden;
}

.str-instructor-name {
    font-size: 0.875rem;
    color: #333;
    line-height: 1.45;
}

/* ================================================================
   f) FORMS (from register.php)
   ================================================================ */
.str-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.str-field label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.str-input {
    width: 100%;
    min-height: 48px;
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font-main);
    color: var(--gray-900);
    background: white;
    transition: border-color 0.2s, background-color 0.2s;
    box-sizing: border-box;
}
.str-input:focus {
    outline: none;
    border-color: var(--color-primary);
}
.str-input[readonly] {
    background: var(--gray-50);
    color: var(--gray-500);
    cursor: default;
}

.str-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.95rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    resize: vertical;
    font: inherit;
    box-sizing: border-box;
}
.str-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.str-select {
    padding: 6px 10px;
    border: 1px solid #ccc;
    font-size: 0.85rem;
    color: #555;
    background: #fff;
    outline: none;
}

.str-required {
    color: var(--status-error);
    font-size: 0.9em;
}

/* ================================================================
   g) BADGES
   ================================================================ */
.str-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    flex-shrink: 0;
}

.str-badge--primary {
    background: #e9f7f4;
    color: var(--color-primary);
}

.str-badge--success {
    background: #eef3ff;
    color: #314c9c;
}

.str-badge--warning {
    background: #fef9e7;
    color: #b8860b;
}

.str-badge--danger {
    background: #fff1f1;
    color: #ba3d3d;
}

.str-badge--info {
    background: #edf5ff;
    color: #205f93;
}

.str-badge--muted {
    background: var(--gray-100);
    color: var(--gray-500);
}

/* ================================================================
   h) MODALS
   ================================================================ */
.str-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(7, 27, 39, 0.6);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 1100;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.str-modal-card {
    position: relative;
    width: min(720px, 100%);
    max-height: 90vh;
    overflow: auto;
    background: white;
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 24px 64px rgba(0, 30, 46, 0.22);
}

.str-modal-card--wide {
    width: min(980px, 100%);
}

.str-modal-card--ticket {
    width: min(520px, 100%);
    padding: 0;
    overflow: hidden;
    overflow-y: auto;
    border-radius: 2rem;
    background: #f0f4f7;
    max-height: 95vh;
}

.str-modal-close {
    position: absolute;
    top: 0.875rem;
    right: 0.875rem;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.2s;
}
.str-modal-close:hover {
    background: var(--gray-200);
}

.str-modal-card--ticket .str-modal-close {
    top: 0.75rem;
    right: 1rem;
    background: rgba(255, 255, 255, .18);
    color: rgba(255, 255, 255, .9);
    border: 1px solid rgba(255, 255, 255, .25);
    z-index: 2;
}
.str-modal-card--ticket .str-modal-close:hover {
    background: rgba(255, 255, 255, .32);
}

.str-modal-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-100);
}

/* ================================================================
   i) PAGINATION
   ================================================================ */
.str-pagination {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.str-pagination-wrapper {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
}

/* ================================================================
   j) EMPTY STATES
   ================================================================ */
.str-empty {
    padding: 4rem 2rem;
    text-align: center;
    background: #fff;
    margin-top: 2rem;
}

.str-empty-state {
    text-align: center;
    padding: 4rem 1.5rem;
    color: var(--gray-500);
}
.str-empty-state strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
    font-size: 1.05rem;
    font-weight: 700;
}
.str-empty-state p {
    margin: 0 0 1.5rem;
    font-size: 0.9375rem;
}

/* ================================================================
   k) INFO / NOTICE BOXES
   ================================================================ */
.str-notice {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    position: relative;
    align-items: flex-start;
}

.str-notice--info {
    background: white;
    border: 1px solid #b7e4d8;
    border-left: 4px solid #007664;
    border-radius: 1rem;
    box-shadow: 0 4px 16px rgba(0, 118, 100, 0.08);
    max-width: 920px;
    margin-left: auto;
    margin-right: auto;
}
.str-notice--info > i,
.str-notice--info .str-notice__icon {
    color: #007664;
    font-size: 1.1rem;
}

.str-notice--warning {
    background: #fffbeb;
}
.str-notice--warning > i,
.str-notice--warning .str-notice__icon {
    color: #92400e;
    font-size: 1rem;
}

.str-notice--success {
    background: #dcfce7;
}
.str-notice--success > i,
.str-notice--success .str-notice__icon {
    color: #15803d;
    font-size: 1rem;
}

.str-notice__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.str-notice__body {
    min-width: 0;
    flex: 1;
}

.str-notice__title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #003b5c;
    margin: 0;
}

.str-notice__detail {
    font-size: 1.1rem;
    font-weight: 800;
    color: #007664;
    margin: 0.5rem 0;
    letter-spacing: 0.02em;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.str-notice__text {
    font-size: 0.8125rem;
    color: #92400e;
    margin: 0;
    line-height: 1.55;
}

.str-notice__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1.2rem;
    cursor: pointer;
}
.str-notice__close:hover {
    color: #64748b;
}

/* ================================================================
   l) STEP BAR (register / register_complete)
   ================================================================ */
.str-steps-bar {
    background: white;
    border-bottom: 1px solid var(--gray-100);
    padding: 0.875rem 0;
}

.str-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.str-steps .str-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
}

.str-steps .str-step--active {
    color: var(--color-primary);
}

.str-steps .str-step--done {
    color: var(--color-primary);
}

.str-steps .str-step-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    background: white;
    flex-shrink: 0;
}

.str-steps .str-step--active .str-step-num {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 118, 100, 0.25);
}

.str-steps .str-step--done .str-step-num {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: 0 4px 10px rgba(0, 118, 100, 0.25);
}

.str-steps .str-step-label {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.3;
}

.str-step-divider {
    width: 2.5rem;
    height: 2px;
    background: var(--gray-200);
    margin: 0 0.5rem;
    border-radius: 1px;
    flex-shrink: 0;
}

.str-step-divider--done {
    background: var(--color-primary);
    opacity: 0.5;
}

/* ================================================================
   m) INFO ROW (shared key-value row pattern)
   ================================================================ */
.str-info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--gray-100);
}
.str-info-row:last-child {
    border-bottom: none;
}

.str-info-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.str-info-value {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.875rem;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

/* ================================================================
   n) PAGE HEADER (register.php / register_complete.php)
   ================================================================ */
.str-page-header {
    background: var(--color-primary);
    color: white;
    padding: 2.5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.str-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 50%, rgba(255,255,255,0.07) 0%, transparent 60%);
    pointer-events: none;
}
.str-page-header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

/* ================================================================
   o) CANCEL LINK
   ================================================================ */
.str-cancel-link {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-400);
    text-decoration: none;
    padding: 0.375rem;
    transition: color 0.2s;
    font-weight: 500;
}
.str-cancel-link:hover {
    color: var(--gray-600);
    text-decoration: underline;
}

/* ================================================================
   p) ALERT
   ================================================================ */
.str-alert {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
}
.str-alert--danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ================================================================
   p) CERTIFICATE MODAL
   ================================================================ */

/* Certificate-specific modal variant */
.str-modal-card--certificate {
    width: min(780px, 100%);
    padding: 0;
    overflow: hidden;
    background: var(--gray-100);
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.str-modal-card--certificate .str-modal-close {
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255, 255, 255, 0.85);
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    z-index: 2;
}
.str-modal-card--certificate .str-modal-close:hover {
    background: white;
}

/* Scrollable content area inside certificate modal */
.str-cert-scroll {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

/* Certificate document frame */
.str-cert-document {
    background: #fffdf6;
    border: 2px solid #d4af37;
    outline: 1px solid #d4af37;
    outline-offset: 6px;
    margin: 2rem;
    padding: 3rem 3.5rem;
    position: relative;
    box-shadow: 0 4px 24px rgba(0, 59, 92, 0.08);
}

/* Subtle corner ornaments */
.str-cert-document::before,
.str-cert-document::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: #d4af37;
    border-style: solid;
    opacity: 0.45;
}
.str-cert-document::before {
    top: 14px;
    left: 14px;
    border-width: 2px 0 0 2px;
}
.str-cert-document::after {
    bottom: 14px;
    right: 14px;
    border-width: 0 2px 2px 0;
}

/* Brand header */
.str-cert-header {
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.35);
    margin-bottom: 2rem;
}
.str-cert-brand {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: #007664;
    margin: 0 0 0.25rem;
}
.str-cert-subtitle {
    font-size: 0.75rem;
    color: var(--gray-400);
    letter-spacing: 0.1em;
    margin: 0;
}

/* Certificate title */
.str-cert-title {
    text-align: center;
    margin: 1.75rem 0 2rem;
}
.str-cert-title-text {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.6em;
    color: var(--brand-navy);
    margin: 0;
    line-height: 1.3;
}

/* Recipient section */
.str-cert-recipient {
    text-align: center;
    margin-bottom: 2.5rem;
}
.str-cert-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
}
.str-cert-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brand-navy);
    padding: 0.25rem 0;
    border-bottom: 2px solid var(--brand-navy);
    display: inline-block;
    min-width: 8rem;
}

/* Body text */
.str-cert-body {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* Seminar details block */
.str-cert-seminar {
    background: rgba(0, 118, 100, 0.04);
    border: 1px solid rgba(0, 118, 100, 0.12);
    border-radius: 0.5rem;
    padding: 1.5rem 2rem;
    margin: 1.25rem auto;
    max-width: 420px;
    text-align: center;
}
.str-cert-seminar-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 1rem;
    line-height: 1.5;
}
.str-cert-detail-row {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.35rem 0;
    font-size: 0.85rem;
}
.str-cert-detail-label {
    color: var(--gray-500);
    letter-spacing: 0.08em;
    flex-shrink: 0;
}
.str-cert-detail-value {
    color: var(--gray-700);
    font-weight: 500;
}

/* Footer with issue date and cert number */
.str-cert-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: 2rem;
    border-top: 1px solid rgba(212, 175, 55, 0.25);
    margin-top: 2rem;
}
.str-cert-meta {
    font-size: 0.8rem;
}
.str-cert-meta-label {
    color: var(--gray-400);
    letter-spacing: 0.08em;
    margin-bottom: 0.15rem;
}
.str-cert-meta-value {
    color: var(--gray-700);
    font-weight: 500;
}

/* Download actions inside certificate modal */
.str-cert-actions {
    padding: 1rem 2rem 1.5rem;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
    background: white;
    border-top: 1px solid var(--gray-200);
    gap: 0.75rem;
}
.str-cert-actions .str-btn--primary {
    min-width: 220px;
    font-size: 1rem;
    box-shadow: 0 4px 14px rgba(0, 118, 100, 0.25);
}

/* Certificate regenerate section */
.str-cert-regenerate {
    text-align: center;
    padding: 1rem 2rem 0.5rem;
    border-top: 1px solid var(--gray-100);
    margin-top: 1rem;
}
.str-cert-regenerate-note {
    font-size: 0.78rem;
    color: var(--gray-400);
    margin: 0 0 0.75rem;
}

/* Certificate modal responsive */
@media (max-width: 768px) {
    .str-modal-card--certificate {
        width: 100%;
        border-radius: 1.5rem 1.5rem 0 0;
    }

    .str-cert-document {
        margin: 1rem;
        padding: 2rem 1.5rem;
        outline-offset: 4px;
    }

    .str-cert-title-text {
        font-size: 1.5rem;
        letter-spacing: 0.4em;
    }

    .str-cert-name {
        font-size: 1.25rem;
    }

    .str-cert-footer {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        text-align: center;
    }

    .str-cert-seminar {
        padding: 1rem 1.25rem;
    }

    .str-cert-actions {
        padding: 0.875rem 1rem 1.25rem;
    }
    .str-cert-actions .str-btn--primary {
        min-width: 0;
        width: 100%;
    }
}

/* ================================================================
   q) RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
    .str-page {
        padding: 1.5rem 0 2rem;
    }

    .str-page-title {
        font-size: 1.35rem;
        margin-bottom: 0.5rem;
    }

    .str-section-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .str-layout {
        flex-direction: column;
    }

    .str-sidebar {
        width: 100%;
    }

    .str-grid {
        grid-template-columns: 1fr;
    }

    .str-page-title {
        font-size: 1.35rem;
    }

    .str-field {
        gap: 0.5rem;
    }

    .str-field label,
    .str-meta-text,
    .str-card-meta,
    .str-card-meta span,
    .str-checkbox-container .str-checkbox-text,
    .str-payment-option .str-option-desc {
        font-size: 0.9rem;
    }

    .str-steps {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.25rem;
    }

    .str-steps .str-step-label {
        white-space: nowrap;
        font-size: 0.8125rem;
    }

    .str-step-divider {
        width: 1.5rem;
    }

    .str-modal-overlay {
        padding: 0;
        align-items: flex-end;
    }

    .str-modal-card {
        border-radius: 1.5rem 1.5rem 0 0;
        width: 100%;
        max-height: 92vh;
    }

    .str-modal-card--wide {
        width: 100%;
    }

    .str-modal-card--ticket {
        border-radius: 1.75rem 1.75rem 0 0;
        width: 100%;
        max-height: 92vh;
    }

    .str-modal-card--certificate {
        max-height: 92vh;
    }
}

@media (max-width: 480px) {
    .str-page {
        padding-top: 1.25rem;
    }

    .str-page-title {
        font-size: 1.2rem;
    }

    .str-section-title {
        font-size: 1.15rem;
    }
}