/* ===================================
   Expert Advisor Booking - CSS
   Professional, data-dense design
   =================================== */

:root {
    /* Colors - Professional Navy and Gold */
    --color-primary: #4A7C8C;
    --color-primary-hover: #2F5A68;
    --color-accent: #D69E2E;
    --color-accent-hover: #B8862A;
    --color-background: #F7FAFC;
    --color-surface: #FFFFFF;
    --color-text: #1A202C;
    --color-text-secondary: #4A5568;
    --color-text-muted: #718096;
    --color-border: #CBD5E0;
    --color-border-light: #E2E8F0;
    --color-success: #38A169;
    --color-error: #E53E3E;
    --color-warning: #B45309;

    /* Typography */
    --font-primary: Roboto, system-ui, -apple-system, sans-serif;
    --font-secondary: 'Roboto Slab', Georgia, serif;

    /* Spacing - Normal density */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Border radius - Standardized */
    --radius-sm: 4px;
    --radius-md: 8px;

    /* Shadows - Minimal */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.10);

    /* Animation - Minimal, fast */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
}

/* ===================================
   Accessibility - Screen Reader Only
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary, #4A7C8C);
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

.back-to-catalog {
    position: fixed;
    top: 1rem;
    left: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4A7C8C;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #E8E4DD;
    border-radius: 6px;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.2s ease;
}

.back-to-catalog:hover {
    background: #4A7C8C;
    color: white;
    border-color: #4A7C8C;
}

.back-to-catalog:focus {
    outline: 2px solid #4A7C8C;
    outline-offset: 2px;
}

/* ===================================
   Base Styles
   =================================== */

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

body {
    font-family: var(--font-primary);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
}

/* ===================================
   Container
   =================================== */

.advisor-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
}

/* ===================================
   Header
   =================================== */

.advisor-header {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.advisor-header__title {
    font-family: var(--font-secondary);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.advisor-header__subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ===================================
   Filter Bar
   =================================== */

.filter-bar {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.filter-bar__container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: flex-end;
}

.filter-bar__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
    min-width: 180px;
}

.filter-bar__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-bar__select {
    font-family: var(--font-primary);
    font-size: 14px;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.filter-bar__select:hover {
    border-color: var(--color-primary);
}

.filter-bar__select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.filter-bar__compare-btn {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-accent);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.filter-bar__compare-btn:hover:not(:disabled) {
    background-color: var(--color-accent-hover);
}

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

.filter-bar__compare-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.compare-btn__icon {
    font-size: 16px;
    margin-right: var(--space-xs);
}

.filter-bar__clear-btn {
    font-family: var(--font-primary);
    font-size: 14px;
    padding: var(--space-sm) var(--space-md);
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-bar__clear-btn:hover {
    background-color: var(--color-background);
    border-color: var(--color-text-secondary);
}

/* ===================================
   Course List
   =================================== */

.course-list {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.course-list__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-border-light);
}

.course-list__title {
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}

.course-list__count {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.course-list__container {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ===================================
   Course Row (List-style, data-dense)
   =================================== */

.course-row {
    display: grid;
    grid-template-columns: 40px 1fr 200px 120px 100px 120px 100px;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
    transition: background-color var(--transition-fast);
}

.course-row:hover {
    background-color: var(--color-background);
}

.course-row__checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.course-row__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.course-row__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    text-decoration: none;
}

.course-row__title:hover {
    text-decoration: underline;
}

.course-row__category {
    font-size: 12px;
    color: var(--color-text-muted);
}

.course-row__instructor {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.course-row__date {
    font-size: 13px;
    color: var(--color-text);
}

.course-row__duration {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.course-row__level {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    background-color: var(--color-border-light);
    color: var(--color-text-secondary);
}

.course-row__level--beginner {
    background-color: #E6FFFA;
    color: #234E52;
}

.course-row__level--intermediate {
    background-color: #FEEBC8;
    color: #744210;
}

.course-row__level--advanced {
    background-color: #FED7D7;
    color: #742A2A;
}

.course-row__level--expert {
    background-color: #E9D8FD;
    color: #44337A;
}

.course-row__availability {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.availability-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.availability-dot--high {
    background-color: var(--color-success);
}

.availability-dot--medium {
    background-color: var(--color-warning);
}

.availability-dot--low {
    background-color: var(--color-error);
}

.availability-dot--full {
    background-color: var(--color-text-muted);
}

.availability-text {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.course-row__price {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text);
    text-align: right;
}

/* ===================================
   Empty State
   =================================== */

.course-list__empty {
    text-align: center;
    padding: var(--space-3xl) var(--space-2xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-state__icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.empty-state__text {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
    max-width: 500px;
}

.empty-state__text strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.empty-state__suggestions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.empty-state__suggestions-title {
    font-size: 12px;
    color: var(--color-text-tertiary);
    font-weight: 500;
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-suggestion-secondary {
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 180px;
}

.btn-suggestion-secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-suggestion-secondary:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-suggestion-secondary:active {
    transform: translateY(0);
}

.empty-state__btn {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-primary);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.empty-state__btn:hover {
    background-color: var(--color-primary-hover);
}

/* ===================================
   Comparison Panel
   =================================== */

.comparison-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-top: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    max-height: 60vh;
    overflow-y: auto;
    z-index: 100;
}

.comparison-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: 0;
    background-color: var(--color-surface);
}

.comparison-panel__title {
    font-family: var(--font-secondary);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.comparison-panel__close {
    font-size: 28px;
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.comparison-panel__close:hover {
    color: var(--color-text);
}

.comparison-panel__content {
    padding: var(--space-lg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.comparison-table th {
    background-color: var(--color-background);
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}

.comparison-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: top;
}

.comparison-table__course-name {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 14px;
    margin-bottom: var(--space-xs);
}

.comparison-table__select-btn {
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 600;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-primary);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    width: 100%;
    margin-top: var(--space-sm);
}

.comparison-table__select-btn:hover {
    background-color: var(--color-primary-hover);
}

/* ===================================
   Modal
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal__content {
    position: relative;
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
}

.modal__content--medium {
    width: 100%;
    max-width: 700px;
    padding: var(--space-xl);
}

.modal__content--large {
    width: 100%;
    max-width: 900px;
    padding: var(--space-xl);
}

.modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 32px;
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 40px;
    height: 40px;
    z-index: 10;
}

.modal__close:hover {
    color: var(--color-text);
}

/* ===================================
   Course Detail
   =================================== */

.course-detail {
    padding-right: var(--space-2xl);
}

.course-detail__header {
    margin-bottom: var(--space-xl);
}

.course-detail__category {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.course-detail__title {
    font-family: var(--font-secondary);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.course-detail__instructor {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.instructor__name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.instructor__credentials {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.course-detail__meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.meta-item__label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.meta-item__value {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.course-detail__description {
    margin-bottom: var(--space-xl);
}

.course-detail__subtitle {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.course-detail__text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.course-detail__curriculum {
    margin-bottom: var(--space-xl);
}

.curriculum-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.curriculum-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
}

.curriculum-item__number {
    font-weight: 700;
    color: var(--color-accent);
    min-width: 24px;
}

.curriculum-item__text {
    font-size: 14px;
    color: var(--color-text);
}

.course-detail__reviews {
    margin-bottom: var(--space-xl);
}

.review-summary {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.review-summary__rating {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
}

.review-summary__stars {
    font-size: 20px;
    color: var(--color-accent);
}

.review-summary__count {
    font-size: 13px;
    color: var(--color-text-secondary);
}

.course-detail__action {
    display: flex;
    justify-content: flex-end;
}

.btn-register {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 600;
    padding: var(--space-md) var(--space-2xl);
    background-color: var(--color-primary);
    color: var(--color-surface);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.btn-register:hover {
    background-color: var(--color-primary-hover);
}

.btn-register:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===================================
   Progress Stepper
   =================================== */

.progress-stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.progress-stepper__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.progress-stepper__number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-border-light);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.progress-stepper__step--active .progress-stepper__number {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.progress-stepper__step--completed .progress-stepper__number {
    background-color: var(--color-success);
    color: var(--color-surface);
}

.progress-stepper__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.progress-stepper__step--active .progress-stepper__label {
    color: var(--color-primary);
}

.progress-stepper__line {
    width: 80px;
    height: 2px;
    background-color: var(--color-border-light);
    margin: 0 var(--space-sm);
}

/* ===================================
   Booking Form
   =================================== */

.booking-form__title {
    font-family: var(--font-secondary);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.booking-form__course-name {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
}

.booking-form__step {
    margin-bottom: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-required {
    color: var(--color-error);
}

.form-input,
.form-textarea {
    width: 100%;
    font-family: var(--font-primary);
    font-size: 14px;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 124, 140, 0.1);
}

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

.form-help {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.form-group--invoice-preview {
    margin-top: var(--space-xl);
}

/* ===================================
   Invoice Preview
   =================================== */

.invoice-preview {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.invoice-preview__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.invoice-preview__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    font-size: 13px;
}

.invoice-preview__label {
    color: var(--color-text-secondary);
}

.invoice-preview__value {
    font-weight: 600;
    color: var(--color-text);
    text-align: right;
}

.invoice-preview__row--total {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 2px solid var(--color-border);
    font-size: 16px;
}

.invoice-preview__row--total .invoice-preview__value {
    color: var(--color-primary);
    font-size: 18px;
}

/* ===================================
   Review Summary
   =================================== */

.review-summary__title {
    font-family: var(--font-secondary);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-xl);
}

.review-section {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.review-section:last-child {
    border-bottom: none;
}

.review-section__title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.review-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-sm) 0;
    font-size: 13px;
}

.review-row__label {
    color: var(--color-text-secondary);
    min-width: 120px;
}

.review-row__value {
    font-weight: 600;
    color: var(--color-text);
    text-align: right;
    flex: 1;
}

/* ===================================
   Form Actions
   =================================== */

.booking-form__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: space-between;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.btn {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 600;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-surface);
}

.btn--primary:hover {
    background-color: var(--color-primary-hover);
}

.btn--primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn--secondary:hover {
    background-color: var(--color-background);
    border-color: var(--color-primary);
}

.btn--text {
    background-color: transparent;
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-md);
}

.btn--text:hover {
    color: var(--color-primary);
}

/* ===================================
   Confirmation
   =================================== */

.confirmation {
    text-align: center;
    padding: var(--space-lg);
}

.confirmation__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background-color: var(--color-success);
    color: var(--color-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 700;
}

.confirmation__title {
    font-family: var(--font-secondary);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.confirmation__message {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.confirmation__details {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.confirmation__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.confirmation__next-actions {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    text-align: left;
}

.confirmation__subtitle {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.confirmation__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.confirmation__list li {
    font-size: 14px;
    color: var(--color-text-secondary);
    padding-left: var(--space-lg);
    position: relative;
}

.confirmation__list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ===================================
   Accessibility & Print
   =================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .filter-bar,
    .modal__close,
    .btn,
    .course-row__checkbox {
        display: none !important;
    }

    .modal__content {
        box-shadow: none;
        border: 1px solid var(--color-border);
    }
}

/* ===================================
   Responsive
   =================================== */

@media (max-width: 1024px) {
    .course-row {
        grid-template-columns: 40px 1fr 140px 80px;
        gap: var(--space-sm);
    }

    .course-row__instructor,
    .course-row__duration,
    .course-row__level {
        display: none;
    }
}

@media (max-width: 768px) {
    .advisor-container {
        padding: var(--space-md);
    }

    .filter-bar__container {
        flex-direction: column;
    }

    .filter-bar__group {
        width: 100%;
    }

    .course-row {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .course-row__checkbox {
        display: none;
    }

    .modal__content--medium,
    .modal__content--large {
        padding: var(--space-lg);
    }
}