/**
 * StudyFreely - Study Resources
 * File: assets/css/sf-study-resources.css
 */

.sf-study-resources {
    --sf-blue: #255884;
    --sf-blue-dark: #1e4769;
    --sf-green: #93C63D;
    --sf-green-dark: #79a72e;
    --sf-heading: #1f1f1f;
    --sf-text: #5b6470;
    --sf-muted: #77818b;
    --sf-border: #dfe6eb;
    --sf-soft: #f7f9fa;
    --sf-soft-blue: #eef5f9;
    --sf-soft-green: #f1f8e7;
    --sf-soft-gold: #fff8e7;

    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 42px 0 60px;
    color: var(--sf-text);
}

.sf-study-resources *,
.sf-study-resources *::before,
.sf-study-resources *::after {
    box-sizing: border-box;
}

.sf-study-resources a {
    text-decoration: none;
}

.sf-study-resources__hero {
    margin-bottom: 28px;
}

.sf-study-resources__hero h1,
.sf-resources-exam-head h2 {
    margin: 6px 0 10px;
    color: var(--sf-heading);
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.1;
}

.sf-study-resources__hero p,
.sf-resources-exam-head p {
    max-width: 760px;
    margin: 0;
    color: var(--sf-text);
    font-size: 15px;
    line-height: 1.7;
}

.sf-resources-kicker {
    display: block;
    color: var(--sf-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* =========================================================
   EXAM CARDS
   ========================================================= */

.sf-resources-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.sf-resource-exam-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--sf-border);
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.045);
}

.sf-resource-exam-card:hover {
    border-color: #c7d7e2;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07);
}

.sf-resource-exam-card__eyebrow {
    display: block;
    margin-bottom: 7px;
    color: var(--sf-blue);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.sf-resource-exam-card h2 {
    margin: 0 0 8px;
    color: var(--sf-heading);
    font-size: 20px;
    line-height: 1.3;
}

.sf-resource-exam-card p {
    margin: 0;
    color: var(--sf-text);
    font-size: 13px;
    line-height: 1.6;
}

.sf-resource-exam-card__meta {
    display: flex;
    gap: 10px;
    margin: 18px 0;
}

.sf-resource-exam-card__meta span {
    flex: 1 1 0;
    padding: 10px 12px;
    border-radius: 10px;
    background: var(--sf-soft);
    color: var(--sf-muted);
    font-size: 11px;
}

.sf-resource-exam-card__meta strong {
    display: block;
    margin-bottom: 2px;
    color: var(--sf-heading);
    font-size: 18px;
}

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

.sf-resource-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    margin-top: auto;
    padding: 11px 16px;
    border: 0;
    border-radius: 9px;
    background: var(--sf-green);
    color: #ffffff !important;
    font-size: 13px;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
}

.sf-resource-button:hover {
    background: var(--sf-green-dark);
    color: #ffffff !important;
}

.sf-resource-button.is-secondary {
    background: var(--sf-blue);
}

.sf-resource-button.is-secondary:hover {
    background: var(--sf-blue-dark);
}

.sf-resource-button.is-locked {
    cursor: default;
    background: #eef1f3;
    color: #68737d !important;
}

/* =========================================================
   EXAM VIEW
   ========================================================= */

.sf-resources-exam-head {
    margin-bottom: 22px;
}

.sf-resources-back {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--sf-blue);
    font-size: 13px;
    font-weight: 800;
}

.sf-resources-back:hover {
    color: var(--sf-blue-dark);
}

.sf-resources-exam-head h2 {
    font-size: clamp(28px, 3vw, 40px);
}

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

.sf-resource-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--sf-border);
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 7px 20px rgba(15, 23, 42, 0.035);
}

.sf-resource-item__content {
    min-width: 0;
}

.sf-resource-item__labels {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 9px;
}

.sf-resource-type,
.sf-resource-access {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
}

.sf-resource-type {
    background: var(--sf-soft-blue);
    color: var(--sf-blue);
}

.sf-resource-access.is-free {
    background: var(--sf-soft-green);
    color: #668e26;
}

.sf-resource-access.is-student {
    background: var(--sf-soft-blue);
    color: var(--sf-blue);
}

.sf-resource-access.is-premium {
    background: var(--sf-soft-gold);
    color: #8b6517;
}

.sf-resource-item h3 {
    margin: 0 0 7px;
    color: var(--sf-heading);
    font-size: 18px;
    line-height: 1.35;
}

.sf-resource-item p {
    max-width: 780px;
    margin: 0;
    color: var(--sf-text);
    font-size: 13px;
    line-height: 1.6;
}

.sf-resource-item__action {
    display: flex;
    min-width: 170px;
    justify-content: flex-end;
}

.sf-resource-item__action .sf-resource-button {
    width: 100%;
}

/* =========================================================
   EMPTY STATE
   ========================================================= */

.sf-resources-empty {
    padding: 24px;
    border: 1px dashed #cfd9df;
    border-radius: 12px;
    background: var(--sf-soft);
    color: var(--sf-muted);
    font-size: 14px;
    text-align: center;
}

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

@media (max-width: 980px) {
    .sf-resources-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .sf-study-resources {
        width: min(100% - 20px, 1180px);
        padding-top: 28px;
    }

    .sf-resources-grid {
        grid-template-columns: 1fr;
    }

    .sf-resource-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .sf-resource-item__action {
        width: 100%;
        min-width: 0;
    }
}