/* ==========================================================
   TALHAH LEARNING
   Global Application Styles
   Version: 0.2
   ========================================================== */

:root {
    --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;

    --bg-page: #f5f7fb;
    --bg-card: #ffffff;
    --bg-soft: #f8fafc;
    --bg-accent-soft: #eef4ff;

    --text-primary: #182230;
    --text-secondary: #667085;
    --text-muted: #98a2b3;

    --border: #e4e7ec;
    --border-strong: #d0d5dd;

    --primary: #3157d5;
    --primary-hover: #2849b7;

    --success: #16845b;
    --success-soft: #ecfdf3;

    --danger: #d92d20;
    --danger-soft: #fef3f2;

    --warning: #b54708;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;

    --shadow-card: 0 1px 3px rgba(16, 24, 40, 0.04),
                   0 6px 20px rgba(16, 24, 40, 0.04);

    --max-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background:
        radial-gradient(circle at top right, rgba(49,87,213,.06), transparent 28rem),
        var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 28px 22px 60px;
}

/* =========================
   HEADER
   ========================= */

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin-bottom: 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.03em;
}

.brand-name {
    font-size: 20px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.brand-tagline {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* =========================
   BUTTONS
   ========================= */

.btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 10px 15px;
    min-height: 42px;
    font-weight: 650;
    transition: .18s ease;
}

.btn:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

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

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

.btn-soft {
    background: var(--bg-soft);
}

.btn-small {
    padding: 7px 11px;
    min-height: 34px;
    font-size: 13px;
}

/* =========================
   WELCOME / DASHBOARD
   ========================= */

.welcome-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, .85fr);
    gap: 18px;
    margin-bottom: 22px;
}

.hero-card,
.progress-card,
.activity-card,
.parent-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}

.hero-card {
    border-radius: var(--radius-lg);
    padding: 28px 30px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 750;
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 8px;
}

.hero-title {
    margin: 0;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.15;
    letter-spacing: -.035em;
}

.hero-copy {
    margin: 10px 0 0;
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 620px;
}

.progress-card {
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.progress-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.progress-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 650;
}

.progress-value {
    font-size: 25px;
    font-weight: 800;
    letter-spacing: -.03em;
}

.progress-track {
    height: 10px;
    background: #e9edf5;
    border-radius: 999px;
    overflow: hidden;
    margin-top: 14px;
}

.progress-bar {
    height: 100%;
    width: 0;
    background: var(--primary);
    border-radius: inherit;
    transition: width .35s ease;
}

.progress-note {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 10px;
}

/* =========================
   SECTION HEADER
   ========================= */

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin: 30px 0 14px;
}

.section-title {
    font-size: 21px;
    font-weight: 760;
    letter-spacing: -.02em;
    margin: 0;
}

.section-subtitle {
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* =========================
   ACTIVITY CARDS
   ========================= */

.activity-list {
    display: grid;
    gap: 14px;
}

.activity-card {
    border-radius: var(--radius-md);
    padding: 22px 24px;
    transition: border-color .18s ease, transform .18s ease;
}

.activity-card:hover {
    border-color: #d7dce5;
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.subject-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 27px;
    padding: 5px 9px;
    border-radius: 7px;
    background: var(--bg-accent-soft);
    color: var(--primary);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .055em;
    text-transform: uppercase;
}

.activity-number {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 700;
}

.question {
    margin: 15px 0 16px;
    font-size: 18px;
    line-height: 1.48;
    font-weight: 700;
    letter-spacing: -.01em;
}

/* =========================
   ANSWERS
   ========================= */

.options {
    display: grid;
    gap: 9px;
}

.option {
    width: 100%;
    text-align: left;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-sm);
    min-height: 48px;
    padding: 12px 15px;
    color: var(--text-primary);
    transition: .16s ease;
}

.option:hover {
    border-color: #aab7e8;
    background: #fafbff;
}

.option.good {
    border-color: #75c9aa;
    background: var(--success-soft);
}

.option.bad {
    border-color: #f2a8a2;
    background: var(--danger-soft);
}

.answer-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.input,
.textarea,
.select {
    width: 100%;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--text-primary);
    outline: none;
    transition: .16s ease;
}

.input {
    min-height: 46px;
}

.textarea {
    min-height: 110px;
    resize: vertical;
}

.input:focus,
.textarea:focus,
.select:focus {
    border-color: #8ba1ef;
    box-shadow: 0 0 0 3px rgba(49, 87, 213, .09);
}

.reading-box {
    background: var(--bg-soft);
    border: 1px solid #edf0f4;
    border-radius: var(--radius-sm);
    padding: 17px 18px;
    font-size: 16px;
    line-height: 1.75;
}

.feedback {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 700;
}

.feedback-success {
    color: var(--success);
}

.feedback-danger {
    color: var(--danger);
}

/* =========================
   PARENT MODE
   ========================= */

.parent-panel {
    margin-top: 32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.parent-panel-head {
    padding: 22px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-soft);
}

.parent-panel-body {
    padding: 24px;
}

.parent-title {
    margin: 0;
    font-size: 20px;
}

.parent-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 5px 0 0;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 700;
}

.parent-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 8px;
}

/* =========================
   UTILITIES
   ========================= */

.hidden {
    display: none !important;
}

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

.complete-state {
    padding: 20px;
    text-align: center;
    color: var(--success);
    font-weight: 750;
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 800px) {
    .welcome-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 620px) {
    .app-shell {
        padding: 18px 14px 42px;
    }

    .app-header {
        align-items: flex-start;
    }

    .brand-tagline {
        display: none;
    }

    .header-actions {
        flex-direction: column;
        align-items: flex-end;
    }

    .hero-card {
        padding: 22px 20px;
    }

    .progress-card,
    .activity-card {
        padding: 19px 17px;
    }

    .question {
        font-size: 17px;
    }

    .answer-row {
        grid-template-columns: 1fr;
    }

    .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }
}