/* =========================================================
   CSS Variables
   ========================================================= */
:root {
    --primary: #6c63ff;
    --primary-dark: #5a52d5;
    --primary-light: #ede9ff;
    --accent: #ff6b8a;
    --bg: #f8f7ff;
    --bg-alt: #ffffff;
    --surface: #ffffff;
    --text: #2d2d3a;
    --text-muted: #6b7280;
    --border: #e5e7eb;
    --error: #ef4444;
    --success: #22c55e;
    --shadow: 0 2px 12px rgba(108, 99, 255, 0.10);
    --shadow-lg: 0 8px 32px rgba(108, 99, 255, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* =========================================================
   Reset & Base
   ========================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
}

/* =========================================================
   Layout
   ========================================================= */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

.main-content {
    flex: 1;
}

.text-center {
    text-align: center;
}

/* =========================================================
   Navbar
   ========================================================= */
.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar__logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.navbar__logo:hover {
    text-decoration: none;
    color: var(--primary-dark);
}

.navbar__right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar__crystals {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    background: var(--primary-light);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn--primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.btn--primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn--ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border);
}

.btn--ghost:hover {
    background: var(--border);
    color: var(--text);
}

.btn--sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
}

.btn--lg {
    padding: 0.85rem 1.75rem;
    font-size: 1.05rem;
}

.btn--full {
    width: 100%;
}

/* =========================================================
   Cards
   ========================================================= */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card__icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.card__text {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =========================================================
   Forms
   ========================================================= */
.form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
}

.form-group__error {
    font-size: 0.8rem;
    color: var(--error);
}

.input {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    transition: border-color 0.15s;
    outline: none;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.input--readonly {
    background: var(--bg);
    color: var(--text-muted);
    cursor: text;
}

/* =========================================================
   Alerts
   ========================================================= */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.alert--error {
    background: #fef2f2;
    color: var(--error);
    border: 1px solid #fecaca;
}

.alert--success {
    background: #f0fdf4;
    color: var(--success);
    border: 1px solid #bbf7d0;
}

/* =========================================================
   Auth page
   ========================================================= */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.auth-card__logo {
    display: block;
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-card__brand {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
}

.auth-card__brand:hover {
    text-decoration: none;
}

.auth-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.auth-card__switch {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* =========================================================
   Landing sections
   ========================================================= */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #a78bfa 100%);
    color: #fff;
    padding: 4rem 1rem;
    text-align: center;
}

.hero__inner {
    max-width: 700px;
    margin: 0 auto;
}

.hero__title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero__subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.section {
    padding: 3rem 1rem;
}

.section--alt {
    background: var(--surface);
}

.section--cta {
    background: var(--primary-light);
}

.section--cta h2 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.section--cta p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.section__title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

/* How it works steps */
.steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.step__num {
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.step__title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
}

.step__text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Two bots cards */
.bots {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 800px;
    margin: 0 auto;
}

/* Bonus card */
.bonus-card {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fce7f3 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.bonus-card__icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
}

.bonus-card__title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.bonus-card__text {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

/* =========================================================
   Chat page
   ========================================================= */
.chat-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 57px); /* subtract navbar height */
    overflow: hidden;
    background: var(--bg);
}

.chat-topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.chat-topbar__title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

.chat-topbar__crystals {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
}

.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    scroll-behavior: smooth;
}

/* Messages */
.msg {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    line-height: 1.5;
    animation: fadeIn 0.2s ease;
    word-break: break-word;
}

.msg--bot {
    align-self: flex-start;
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
    color: var(--text);
    box-shadow: var(--shadow);
}

.msg--user {
    align-self: flex-end;
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

/* Inline type buttons */
.chat-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.chat-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    font-family: var(--font);
    transition: background 0.15s, color 0.15s;
}

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

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0.75rem 1rem;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Result card */
.result-card {
    background: var(--primary-light);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 0.5rem;
}

.result-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
    font-weight: 600;
    word-break: break-all;
}

/* Payment options */
.payment-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.payment-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    transition: border-color 0.15s, background 0.15s;
}

.payment-option:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

/* Chat input */
.chat-input-area {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1rem;
    flex-shrink: 0;
    /* On mobile: fixed at bottom */
    position: sticky;
    bottom: 0;
}

.chat-input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.chat-textarea {
    flex: 1;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
    resize: none;
    outline: none;
    max-height: 120px;
    overflow-y: auto;
    transition: border-color 0.15s;
    line-height: 1.5;
}

.chat-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.12);
}

.chat-send-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s, transform 0.1s;
}

.chat-send-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chat-send-btn:active {
    transform: scale(0.98);
}

/* =========================================================
   Profile page
   ========================================================= */
.profile-page,
.buy-page {
    padding: 2rem 1rem;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.page-subtitle {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.profile-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.balance-display {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin: 1rem 0;
}

.balance-display__icon {
    font-size: 1.75rem;
}

.balance-display__value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.balance-display__label {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.ref-link-wrap {
    display: flex;
    gap: 0.5rem;
    margin: 0.75rem 0;
    flex-wrap: wrap;
}

.ref-link-wrap .input {
    flex: 1;
    min-width: 0;
}

.bonus-list {
    list-style: none;
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bonus-list li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 1.25rem;
    position: relative;
}

.bonus-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.payout-display {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    margin: 1rem 0;
}

.payout-display__value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--success);
}

.payout-display__label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================================
   Buy / Packages page
   ========================================================= */
.packages-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.package-card {
    position: relative;
    transition: transform 0.15s, box-shadow 0.15s;
}

.package-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.package-card--popular {
    border-color: var(--primary);
    border-width: 2px;
}

.package-card__badge {
    position: absolute;
    top: -0.75rem;
    right: 1rem;
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.package-card__crystals {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.package-card__name {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.package-card__price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.package-card__per {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* =========================================================
   Animations
   ========================================================= */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30%           { transform: translateY(-6px); }
}

/* =========================================================
   Responsive: tablet and desktop (min-width: 768px)
   ========================================================= */
@media (min-width: 768px) {
    .hero__title {
        font-size: 2.75rem;
    }

    .hero__subtitle {
        font-size: 1.2rem;
    }

    .steps {
        flex-direction: row;
        align-items: stretch;
    }

    .step {
        flex: 1;
    }

    .bots {
        flex-direction: row;
    }

    .bots .card {
        flex: 1;
    }

    .profile-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .packages-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .chat-wrapper {
        height: calc(100vh - 57px);
    }

    .msg {
        max-width: 60%;
    }
}

@media (min-width: 1024px) {
    .packages-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .profile-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =========================================================
   Dashboard
   ========================================================= */

.dashboard {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.dashboard h1 {
    margin-bottom: 1.5rem;
}

.children-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .children-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .children-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.child-card {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.child-card__header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    margin-bottom: 0.65rem;
    border-bottom: 1px solid var(--border);
}

.child-card__avatar {
    font-size: 2.5rem;
    line-height: 1;
}

.child-card__name {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.child-card__meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.child-card__stats {
    display: flex;
    gap: 1.25rem;
    padding-bottom: 0.5rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat__value {
    font-weight: 700;
    font-size: 1.1rem;
}

.stat__label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.child-card__mode {
    font-size: 0.85rem;
    padding: 0.35rem 0;
}

.child-card__mode--empty {
    color: var(--text-muted);
    font-style: italic;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    vertical-align: middle;
}

.badge--blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.badge--green {
    background: #dcfce7;
    color: #15803d;
}

.progress-text {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.child-card__actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-size: 1.1rem;
}

/* =========================================================
   Forms (child_new, child_profile)
   ========================================================= */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--bg-alt);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.child-stats {
    margin: 1rem 0;
    color: var(--text-muted);
}

/* =========================================================
   Child Profile Page
   ========================================================= */

.child-profile-page {
    max-width: 780px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.child-profile-header {
    margin-bottom: 2rem;
}

.child-profile-header h1 {
    margin: 0.5rem 0 0.25rem;
}

.child-profile-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.child-profile-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* Mode cards */

.mode-card {
    margin-bottom: 1.25rem;
}

.mode-card__title {
    font-size: 1.15rem;
    margin: 0 0 0.5rem;
}

.mode-card__desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
}

.mode-form__row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.mode-form__row .input {
    flex: 1;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
}

.mode-form__row .input--select {
    flex: 0 0 160px;
}

.mode-form__row .input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.mode-status {
    margin-top: 0.75rem;
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    font-size: 0.9rem;
}

/* Active plan / enrollment */

.active-plan__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.plan-topics {
    margin-bottom: 0.75rem;
}

.plan-topic {
    padding: 0.3rem 0;
    font-size: 0.9rem;
}

.enrollment-card {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.enrollment-card:last-child {
    border-bottom: none;
}

.enrollment-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.enrollment-card__topic {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0 0 0.5rem;
}

.enroll-buttons,
.enroll-add {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.enroll-add p {
    width: 100%;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0.5rem 0 0.25rem;
}

@media (max-width: 540px) {
    .mode-form__row {
        flex-direction: column;
    }
    .mode-form__row .input--select {
        flex: 1;
    }
}

/* =========================================================
   Profile Blocks (Program + Free Lessons)
   ========================================================= */

.profile-block {
    margin-bottom: 2rem;
    border-width: 2px;
    padding: 1.75rem;
}

.profile-block--program {
    border-color: var(--primary);
    border-left: 5px solid var(--primary);
    background: linear-gradient(135deg, #f8f7ff 0%, #ede9ff 100%);
}

.profile-block--free {
    border-color: #f59e0b;
    border-left: 5px solid #f59e0b;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

.profile-block__header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.profile-block__icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.profile-block__title {
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0;
    color: var(--text);
}

.profile-block__subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0.25rem 0 0;
    line-height: 1.4;
}

.profile-block__actions {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.06);
}

/* Progress bars */

.progress-bars {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.progress-item {
    padding: 0.5rem 0;
}

.progress-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.progress-item__percent {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.95rem;
}

.progress-bar-wrap,
.program-progress-bar-wrap {
    height: 10px;
    background: rgba(108, 99, 255, 0.12);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar,
.program-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #a78bfa);
    border-radius: 999px;
    transition: width 0.6s ease;
    min-width: 0;
}

.progress-item__detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

/* Active info badges */

.active-info {
    margin-top: 1rem;
    padding: 0.65rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.active-info--weekly {
    background: #dbeafe;
    border: 1px solid #bfdbfe;
}

.active-info--route {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
}

.active-info__badge {
    font-weight: 700;
    white-space: nowrap;
}

/* Free Lessons */

.free-lesson-form {
    margin-bottom: 0.5rem;
}

.free-lesson-form .mode-form__row {
    margin-bottom: 1rem;
}

.btn--accent {
    background: #f59e0b;
    color: #fff;
    border-color: #f59e0b;
}

.btn--accent:hover {
    background: #d97706;
    border-color: #d97706;
    color: #fff;
}

.free-lessons-list {
    margin-top: 0.5rem;
}

.free-lessons-list__title {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 1rem 0 0.5rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.free-lesson-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    margin-bottom: 0.35rem;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.free-lesson-item__title {
    flex: 1;
    color: var(--text);
}

.free-lesson-item__stars .star {
    color: #d4d4d8;
    font-size: 1.1rem;
}

.free-lesson-item__stars .star.earned {
    color: #f59e0b;
}

.free-lesson__status {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Mini progress (dashboard cards) */

.child-card__progress {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.65rem 0;
    border-top: 1px solid var(--border);
}

.mini-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.mini-progress__label {
    width: 52px;
    flex-shrink: 0;
    font-weight: 600;
    color: var(--text);
    font-size: 0.8rem;
}

.mini-progress__bar {
    flex: 1;
    height: 6px;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.mini-progress__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #a78bfa);
    border-radius: 999px;
    transition: width 0.5s ease;
}

.mini-progress__pct {
    width: 32px;
    text-align: right;
    font-weight: 700;
    color: var(--primary);
    font-size: 0.75rem;
}

/* =========================================================
   Program Page
   ========================================================= */

.program-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.program-page__header {
    margin-bottom: 2rem;
}

.program-page__header h1 {
    margin: 0.5rem 0 0.25rem;
    font-size: 1.6rem;
}

.program-page__meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Subject tabs */

.subject-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

.subject-tab {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}

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

.subject-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Program progress section */

.program-progress-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.program-progress-section__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.program-progress-section__title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

.program-progress-section__pct {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--primary);
}

.program-progress-text {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Program modes */

.program-modes {
    margin-bottom: 2rem;
}

.program-modes__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--text);
}

.program-modes__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

@media (max-width: 640px) {
    .program-modes__grid {
        grid-template-columns: 1fr;
    }
}

.program-mode-card {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
    text-align: center;
    border: 2px solid var(--border);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.program-mode-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.program-mode-card--weekly { border-color: #93c5fd; }
.program-mode-card--weekly:hover { border-color: #3b82f6; background: #eff6ff; }
.program-mode-card--route { border-color: #86efac; }
.program-mode-card--route:hover { border-color: #22c55e; background: #f0fdf4; }
.program-mode-card--pick { border-color: #fcd34d; }
.program-mode-card--pick:hover { border-color: #f59e0b; background: #fffbeb; }

.program-mode-card__icon {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
}

.program-mode-card__title {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.program-mode-card__desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Active info on program page */

.program-active-info {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.program-active-info--weekly {
    background: #dbeafe;
    border: 1px solid #bfdbfe;
}

.program-active-info--route {
    background: #dcfce7;
    border: 1px solid #bbf7d0;
}

.program-hint {
    padding: 1rem 1.25rem;
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text);
    border: 1px solid rgba(108, 99, 255, 0.15);
}

.program-weekly-form,
.program-route-start {
    margin-bottom: 1.5rem;
}

.program-weekly-form h4,
.program-route-start h4 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
}

/* Topics list */

.program-topics {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}

.program-topics__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: var(--text);
}

.program-unit {
    margin-bottom: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.program-unit__header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: background 0.1s;
    user-select: none;
}

.program-unit__header:hover {
    background: var(--bg);
}

.program-unit__icon {
    font-size: 1.15rem;
    flex-shrink: 0;
}

.program-unit__title {
    flex: 1;
    font-weight: 600;
    font-size: 0.95rem;
}

.program-unit__progress {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--bg);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
}

.program-unit__chevron {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: transform 0.15s;
    margin-left: 0.25rem;
}

.program-unit__topics {
    border-top: 1px solid var(--border);
    padding: 0.5rem 0;
    background: var(--bg);
}

.program-topic {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 1rem 0.55rem 1.75rem;
    font-size: 0.9rem;
    transition: background 0.1s;
}

.program-topic:hover {
    background: rgba(255,255,255,0.6);
}

.program-topic--done {
    color: var(--text-muted);
}

.program-topic__icon {
    flex-shrink: 0;
    font-size: 0.95rem;
}

.program-topic__title {
    flex: 1;
}

.program-topic__btn {
    flex-shrink: 0;
}

.program-loading {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-size: 0.95rem;
}

.program-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
    font-size: 0.95rem;
}

/* =========================================================
   History page
   ========================================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    text-align: center;
    padding: 1rem 0.5rem;
}

.stat-card__value {
    font-size: 1.5rem;
    font-weight: 800;
}

.stat-card__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.history-tbl {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.history-tbl th {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 2px solid var(--border);
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.history-tbl td {
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

.history-tbl .star {
    color: #d4d4d8;
    font-size: 1.1rem;
}

.history-tbl .star.earned {
    color: #f59e0b;
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =========================================================
   Dashboard
   ========================================================= */
.dashboard__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.dashboard__balance {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.crystal-badge {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.children-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.child-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: transform 0.2s, box-shadow 0.2s;
}

.child-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.child-card__avatar {
    font-size: 2.5rem;
}

.child-card__name {
    font-weight: 700;
    font-size: 1.1rem;
}

.child-card__grade {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* =========================================================
   Subject Cards (Parent)
   ========================================================= */
.subjects-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.subject-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--text);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}

.subject-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    text-decoration: none;
}

.subject-card--disabled {
    opacity: 0.5;
    pointer-events: none;
}

.subject-card__icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subject-card__name {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.subject-card__progress {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* =========================================================
   Subject Page (Parent)
   ========================================================= */
.subject-page__header {
    margin-bottom: 1.5rem;
}

.subject-page__header h1 {
    margin-top: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card__value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-card__label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.program-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* =========================================================
   Topic Cards (Parent Subject Page)
   ========================================================= */
.topics-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.topic-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border-left: 4px solid var(--border);
}

.topic-card--completed { border-left-color: var(--success); }
.topic-card--active { border-left-color: var(--primary); }
.topic-card--locked { border-left-color: var(--border); opacity: 0.85; }

.topic-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    cursor: pointer;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topic-card__header:hover {
    background: var(--primary-light);
}

.topic-card__info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topic-card__icon {
    font-size: 1.5rem;
}

.topic-card__title {
    font-weight: 700;
    font-size: 0.95rem;
}

.topic-card__meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.topic-card__actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.topic-card__lessons {
    padding: 0 1.25rem 1rem;
}

/* =========================================================
   Lesson Rows (inside topic cards)
   ========================================================= */
.lesson-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.lesson-row:last-child {
    border-bottom: none;
}

.lesson-row__icon {
    font-size: 1rem;
}

.lesson-row__title {
    font-size: 0.9rem;
}

.lesson-row--locked .lesson-row__title {
    color: var(--text-muted);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 600px) {
    .subjects-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .topic-card__header {
        flex-direction: column;
        align-items: flex-start;
    }
    .navbar__crystals {
        font-size: 0.9rem;
    }
}