/*
 * Qixing bank UI skin
 * Scope: reading-practice library browse view and its entry navigation only.
 */
:root {
    --qx-bank-blue-900: #071f63;
    --qx-bank-blue-800: #0b2d82;
    --qx-bank-blue-700: #123eaa;
    --qx-bank-blue-600: #1657d8;
    --qx-bank-blue-100: #eaf2ff;
    --qx-bank-cyan: #20c6d6;
    --qx-bank-mint: #45d6b0;
    --qx-bank-ink: #102033;
    --qx-bank-muted: #66758a;
    --qx-bank-line: rgba(18, 62, 170, 0.14);
    --qx-bank-line-strong: rgba(18, 62, 170, 0.24);
    --qx-bank-surface: rgba(255, 255, 255, 0.88);
    --qx-bank-surface-strong: #ffffff;
    --qx-bank-glow: 0 22px 60px rgba(7, 31, 99, 0.1);
    --qx-bank-card-shadow: 0 16px 44px rgba(13, 38, 89, 0.1);
    --qx-bank-card-shadow-hover: 0 24px 64px rgba(13, 38, 89, 0.16);
    --qx-bank-radius-panel: 24px;
    --qx-bank-radius-card: 20px;
    --qx-bank-radius-control: 14px;
}

body.hero-body {
    background:
        radial-gradient(circle at 14% 10%, rgba(32, 198, 214, 0.16), transparent 28%),
        radial-gradient(circle at 82% 0%, rgba(22, 87, 216, 0.18), transparent 30%),
        linear-gradient(180deg, #f6f9ff 0%, #edf4ff 46%, #f8fbff 100%);
}

.reading-site-header {
    background: rgba(255, 255, 255, 0.82);
    border-bottom: 1px solid rgba(18, 62, 170, 0.12);
    box-shadow: 0 10px 28px rgba(7, 31, 99, 0.06);
    backdrop-filter: blur(18px);
}

.reading-site-header__brand strong,
.reading-product-hero h1 {
    color: var(--qx-bank-ink);
}

.hero-shell {
    max-width: min(1240px, calc(100vw - 40px));
}

.reading-product-hero {
    border: 1px solid rgba(255, 255, 255, 0.76);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(237, 245, 255, 0.84)),
        linear-gradient(135deg, rgba(18, 62, 170, 0.12), rgba(32, 198, 214, 0.1));
    box-shadow: var(--qx-bank-glow);
}

.reading-product-hero__eyebrow {
    color: var(--qx-bank-blue-700);
}

.reading-product-hero p {
    color: var(--qx-bank-muted);
}

.hero-nav {
    border: 1px solid rgba(18, 62, 170, 0.12);
    background: rgba(255, 255, 255, 0.76);
    box-shadow: 0 14px 38px rgba(7, 31, 99, 0.08);
    backdrop-filter: blur(18px);
}

.hero-nav__btn {
    border-radius: 999px;
    color: #31425a;
}

.hero-nav__btn:hover {
    color: var(--qx-bank-blue-800);
    background: rgba(234, 242, 255, 0.82);
}

.hero-nav__btn.active,
.hero-nav__btn[aria-current="page"] {
    color: #ffffff;
    background: linear-gradient(135deg, var(--qx-bank-blue-800), var(--qx-bank-blue-600));
    box-shadow: 0 12px 26px rgba(22, 87, 216, 0.24);
}

#browse-view.hero-panel {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.76);
    border-radius: var(--qx-bank-radius-panel);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(244, 249, 255, 0.9)),
        radial-gradient(circle at 88% 10%, rgba(32, 198, 214, 0.12), transparent 36%);
    box-shadow: var(--qx-bank-glow);
}

#browse-view .browse-title-bar {
    align-items: center;
    gap: 14px;
    padding: 4px 2px 18px;
    border-bottom: 1px solid rgba(18, 62, 170, 0.08);
}

#browse-view .browse-title-trigger {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(18, 62, 170, 0.14);
    border-radius: 14px;
    background: linear-gradient(135deg, #ffffff, #eaf2ff);
    box-shadow: 0 10px 24px rgba(7, 31, 99, 0.08);
}

#browse-view .browse-title-trigger:hover,
#browse-view .browse-title-trigger:focus-visible {
    border-color: rgba(22, 87, 216, 0.36);
    box-shadow: 0 0 0 4px rgba(22, 87, 216, 0.1), 0 14px 28px rgba(7, 31, 99, 0.1);
}

#browse-view .hero-panel__title {
    color: var(--qx-bank-ink);
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    letter-spacing: 0;
}

#browse-view .shui-segmented-control {
    padding: 5px;
    gap: 4px;
    border: 1px solid rgba(18, 62, 170, 0.12);
    border-radius: 999px;
    background: rgba(236, 244, 255, 0.72);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

#browse-view .shui-segmented-btn {
    min-height: 36px;
    padding: 8px 16px;
    border: 0;
    border-radius: 999px;
    color: #3a4c63;
    background: transparent;
    font-weight: 700;
}

#browse-view .shui-segmented-btn:hover {
    color: var(--qx-bank-blue-800);
    background: rgba(255, 255, 255, 0.72);
}

#browse-view .shui-segmented-btn.active,
#browse-view .shui-segmented-btn[aria-pressed="true"] {
    color: #ffffff;
    background: linear-gradient(135deg, var(--qx-bank-blue-800), var(--qx-bank-blue-600));
    box-shadow: 0 10px 22px rgba(22, 87, 216, 0.24);
}

#browse-view .search-box {
    margin: 18px 0 20px;
    padding: 16px;
    border: 1px solid rgba(18, 62, 170, 0.12);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.74);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

#browse-view .search-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
}

#browse-view .search-input-wrap,
#browse-view .browse-sort-wrapper {
    border: 1px solid var(--qx-bank-line);
    border-radius: var(--qx-bank-radius-control);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(7, 31, 99, 0.06);
}

#browse-view .search-input-wrap {
    display: flex;
    align-items: center;
}

#browse-view .search-input-wrap::before {
    content: "";
    width: 18px;
    height: 18px;
    margin-left: 14px;
    flex: 0 0 auto;
    border: 2px solid rgba(18, 62, 170, 0.34);
    border-radius: 999px;
    box-shadow: 7px 7px 0 -5px rgba(18, 62, 170, 0.5);
}

#browse-view .search-input {
    min-height: 48px;
    padding: 0 44px 0 10px;
    border: 0;
    background: transparent;
    color: var(--qx-bank-ink);
}

#browse-view .search-input:focus {
    box-shadow: none;
}

#browse-view .search-input-wrap:focus-within,
#browse-view .browse-sort-wrapper:focus-within {
    border-color: rgba(22, 87, 216, 0.48);
    box-shadow: 0 0 0 4px rgba(22, 87, 216, 0.1), 0 14px 28px rgba(7, 31, 99, 0.09);
}

#browse-view .search-input::placeholder {
    color: #8b98aa;
}

#browse-view .browse-sort-select {
    min-height: 48px;
    min-width: 158px;
    border: 0;
    background: transparent;
    color: var(--qx-bank-ink);
    font-weight: 700;
}

#browse-view .browse-sort-icon {
    color: var(--qx-bank-blue-700);
}

#browse-view .search-clear-btn {
    color: #5d6e85;
}

#browse-view #exam-list-container {
    min-height: 220px;
}

#browse-view .exam-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    max-height: none;
    overflow: visible;
    padding: 2px 2px 8px;
}

#browse-view .exam-item {
    gap: 18px;
    min-height: 176px;
    padding: 20px;
    border: 1px solid var(--qx-bank-line);
    border-radius: var(--qx-bank-radius-card);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.94)),
        radial-gradient(circle at 100% 0%, rgba(22, 87, 216, 0.09), transparent 36%);
    box-shadow: var(--qx-bank-card-shadow);
    backdrop-filter: blur(14px);
}

#browse-view .exam-item::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    border-radius: var(--qx-bank-radius-card) var(--qx-bank-radius-card) 0 0;
    background: linear-gradient(90deg, var(--qx-bank-blue-700), var(--qx-bank-cyan));
    opacity: 0.9;
}

#browse-view .exam-item[data-exam-type="listening"]::before {
    background: linear-gradient(90deg, #0b6bcb, var(--qx-bank-mint));
}

#browse-view .exam-item:hover,
#browse-view .exam-item:focus-within {
    transform: translateY(-4px);
    border-color: var(--qx-bank-line-strong);
    background:
        linear-gradient(180deg, #ffffff, #f6faff),
        radial-gradient(circle at 100% 0%, rgba(22, 87, 216, 0.12), transparent 38%);
    box-shadow: var(--qx-bank-card-shadow-hover);
}

#browse-view .exam-info {
    align-items: flex-start;
    gap: 0;
}

#browse-view .exam-info h4 {
    color: var(--qx-bank-ink);
    font-size: 1.02rem;
    line-height: 1.45;
}

#browse-view .exam-meta {
    margin-top: 12px;
    padding: 0;
    gap: 8px;
    color: var(--qx-bank-muted);
    background: transparent;
    line-height: 1.6;
}

#browse-view .exam-meta::before {
    content: "阅读";
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 2px 9px;
    border: 1px solid rgba(22, 87, 216, 0.18);
    border-radius: 999px;
    color: var(--qx-bank-blue-700);
    background: rgba(234, 242, 255, 0.92);
    font-size: 0.78rem;
    font-weight: 800;
}

#browse-view .exam-item[data-exam-type="listening"] .exam-meta::before {
    content: "听力";
    border-color: rgba(32, 198, 214, 0.28);
    color: #087a8d;
    background: rgba(224, 251, 255, 0.95);
}

#browse-view .exam-release-badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    margin-top: 10px;
    padding: 2px 9px;
    border: 1px solid rgba(69, 214, 176, 0.26);
    border-radius: 999px;
    color: #087a61;
    background: rgba(230, 255, 248, 0.92);
    font-size: 0.78rem;
    font-weight: 800;
}

#browse-view .exam-actions {
    gap: 10px;
}

#browse-view .exam-item-action-btn,
#browse-view .exam-actions .btn {
    min-height: 42px;
    border-radius: 13px;
    border: 1px solid rgba(22, 87, 216, 0.16);
    color: #ffffff;
    background: linear-gradient(135deg, var(--qx-bank-blue-800), var(--qx-bank-blue-600));
    box-shadow: 0 12px 24px rgba(22, 87, 216, 0.2);
    font-weight: 800;
}

#browse-view .exam-item-action-btn:hover:not(:disabled),
#browse-view .exam-actions .btn:hover:not(:disabled) {
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--qx-bank-blue-900), var(--qx-bank-blue-600));
    box-shadow: 0 16px 32px rgba(22, 87, 216, 0.26);
}

#browse-view .exam-item-action-btn.btn-secondary,
#browse-view .exam-actions .btn-secondary,
#browse-view .exam-actions .btn-outline {
    color: var(--qx-bank-blue-800);
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(18, 62, 170, 0.16);
    box-shadow: 0 10px 22px rgba(7, 31, 99, 0.07);
}

#browse-view .exam-item-action-btn.btn-secondary:hover:not(:disabled),
#browse-view .exam-actions .btn-secondary:hover:not(:disabled),
#browse-view .exam-actions .btn-outline:hover:not(:disabled) {
    color: var(--qx-bank-blue-900);
    background: #eef5ff;
    box-shadow: 0 14px 28px rgba(7, 31, 99, 0.1);
}

#browse-view .exam-item-action-btn--exam {
    color: #8f2f29;
    background: #ffffff;
    border-color: rgba(179, 58, 50, 0.26);
    box-shadow: 0 10px 20px rgba(127, 39, 32, 0.08);
}

#browse-view .exam-item-action-btn--exam:hover:not(:disabled) {
    color: #7f2720;
    background: #fff5f4;
    border-color: rgba(179, 58, 50, 0.36);
    box-shadow: 0 14px 26px rgba(127, 39, 32, 0.12);
}

#browse-view .exam-list-empty,
#browse-view .loading {
    border: 1px dashed rgba(18, 62, 170, 0.2);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--qx-bank-muted);
}

#browse-view .spinner {
    border-color: rgba(22, 87, 216, 0.16);
    border-top-color: var(--qx-bank-blue-600);
}

.message-container .message {
    border: 1px solid rgba(18, 62, 170, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 16px 36px rgba(7, 31, 99, 0.12);
    backdrop-filter: blur(16px);
}

@media (max-width: 900px) {
    .hero-shell {
        max-width: min(100vw - 24px, 720px);
    }

    #browse-view .browse-title-bar {
        align-items: flex-start;
    }

    #browse-view .hero-panel__actions {
        width: 100%;
        justify-content: flex-start;
    }

    #browse-view .search-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .reading-site-header {
        padding-left: 14px;
        padding-right: 14px;
    }

    .hero-shell {
        max-width: calc(100vw - 18px);
    }

    #browse-view.hero-panel {
        border-radius: 18px;
    }

    #browse-view .browse-title-bar,
    #browse-view .search-box {
        padding-left: 0;
        padding-right: 0;
    }

    #browse-view .shui-segmented-control {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
    }

    #browse-view .shui-segmented-btn {
        padding-left: 8px;
        padding-right: 8px;
    }

    #browse-view .exam-list {
        grid-template-columns: 1fr;
    }

    #browse-view .exam-item {
        min-height: 0;
        padding: 18px;
    }

    #browse-view .exam-actions {
        grid-template-columns: 1fr;
    }
}