/* ==========================================================================
    NEW DASHBOARD DESIGN SYSTEM
   ========================================================================== */

[data-design="new-dashboard"] {
    --nd-bg-body: #101827;
    --nd-bg-card: #172235;
    --nd-bg-subcard: #1f2d42;
    --nd-bg-inner: #121c2b;
    --nd-text-main: #f2f5f2;
    --nd-text-sub: #aab8c7;
    --nd-text-heading: #72d1c2;
    --nd-border: #304158;
    --nd-border-strong: #41546e;
    --nd-accent: #72d1c2;
    --nd-accent-strong: #2aa391;
    --nd-focus: #f2c879;
    --nd-danger: #ef8f8f;
    --nd-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --nd-shadow-md: 0 10px 28px rgba(0, 0, 0, 0.26);
    --nd-radius-sm: 5px;
    --nd-radius-md: 8px;
    --nd-radius-lg: 12px;
}

[data-design="new-dashboard"][data-theme="light"] {
    --nd-bg-body: #edf0ec;
    --nd-bg-card: #fbfcfa;
    --nd-bg-subcard: #f1f4f0;
    --nd-bg-inner: #ffffff;
    --nd-text-main: #1d2a27;
    --nd-text-sub: #63726c;
    --nd-text-heading: #176b63;
    --nd-border: #d6dfd9;
    --nd-border-strong: #b9c9bf;
    --nd-accent: #176b63;
    --nd-accent-strong: #0f554e;
    --nd-focus: #a56b1f;
    --nd-danger: #b74646;
    --nd-shadow-sm: 0 2px 8px rgba(29, 42, 39, 0.08);
    --nd-shadow-md: 0 10px 28px rgba(29, 42, 39, 0.12);
}

[data-design="new-dashboard"] body {
    background: var(--nd-bg-body);
    color: var(--nd-text-main);
}

[data-design="new-dashboard"] .app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.25rem clamp(1rem, 3vw, 2.5rem);
    background: var(--nd-bg-card);
}

[data-design="new-dashboard"] .main-navbar {
    padding: 0.7rem 0.9rem;
    margin-bottom: 1.5rem;
    background: var(--nd-bg-card);
    border: 1px solid var(--nd-border);
    border-radius: var(--nd-radius-md);
    box-shadow: var(--nd-shadow-sm);
}

[data-design="new-dashboard"] .nav-item,
[data-design="new-dashboard"] .theme-btn,
[data-design="new-dashboard"] .lang-select {
    border-radius: var(--nd-radius-sm);
    border-color: var(--nd-border);
    background: var(--nd-bg-inner);
    color: var(--nd-text-main);
}

[data-design="new-dashboard"] .nav-item {
    font-size: 0.74rem;
    color: var(--nd-text-sub);
}

[data-design="new-dashboard"] .nav-item:hover,
[data-design="new-dashboard"] .theme-btn:hover,
[data-design="new-dashboard"] .lang-select:focus {
    background: var(--nd-bg-subcard);
    border-color: var(--nd-accent);
    color: var(--nd-accent);
}

[data-design="new-dashboard"] h1,
[data-design="new-dashboard"] h2,
[data-design="new-dashboard"] h3,
[data-design="new-dashboard"] h4 {
    color: var(--nd-text-main);
    letter-spacing: 0;
}

[data-design="new-dashboard"] h1 {
    font-size: clamp(1.8rem, 3vw, 2.35rem);
}

[data-design="new-dashboard"] h2 {
    font-size: 1.35rem;
}

[data-design="new-dashboard"] p,
[data-design="new-dashboard"] li {
    color: var(--nd-text-sub);
}

[data-design="new-dashboard"] .year-card,
[data-design="new-dashboard"] .subject-card:not(.prof-card),
[data-design="new-dashboard"] .subject-card.prof-card,
[data-design="new-dashboard"] .info-card,
[data-design="new-dashboard"] .modal-card {
    background: var(--nd-bg-inner);
    border: 1px solid var(--nd-border);
    border-radius: var(--nd-radius-md);
    box-shadow: var(--nd-shadow-sm);
    color: var(--nd-text-main);
}

[data-design="new-dashboard"] .year-card,
[data-design="new-dashboard"] .subject-card:not(.prof-card) {
    border-top-width: 1px;
}

[data-design="new-dashboard"] .year-card {
    padding: 1.35rem 1.25rem;
    text-align: left;
    font-size: 1rem;
}

[data-design="new-dashboard"] .year-card:hover,
[data-design="new-dashboard"] .subject-card:not(.prof-card):hover {
    background: var(--nd-bg-subcard);
    border-color: var(--nd-accent);
    box-shadow: var(--nd-shadow-md);
    transform: translateY(-1px);
}

[data-design="new-dashboard"] .btn {
    border-radius: var(--nd-radius-sm);
    padding: 0.65rem 1rem;
}

[data-design="new-dashboard"] .primary-btn,
[data-design="new-dashboard"] .study-btn {
    background: var(--nd-accent-strong);
    color: #ffffff;
}

[data-design="new-dashboard"] .primary-btn:hover,
[data-design="new-dashboard"] .study-btn:hover {
    background: var(--nd-accent);
    color: #10201d;
}

[data-design="new-dashboard"] .secondary-btn {
    background: var(--nd-bg-subcard);
    border: 1px solid var(--nd-border-strong);
    color: var(--nd-text-main);
}

[data-design="new-dashboard"] .secondary-btn:hover {
    background: var(--nd-bg-inner);
    border-color: var(--nd-accent);
    color: var(--nd-accent);
}

[data-design="new-dashboard"] .account-tab-bar {
    background: var(--nd-bg-subcard);
    border-color: var(--nd-border);
    border-radius: var(--nd-radius-md);
}

[data-design="new-dashboard"] .account-tab-btn {
    border-radius: var(--nd-radius-sm);
    color: var(--nd-text-sub);
}

[data-design="new-dashboard"] .account-tab-btn.active {
    background: var(--nd-accent-strong);
    color: #ffffff;
    box-shadow: none;
}

[data-design="new-dashboard"] .design-picker-section {
    border-color: var(--nd-border);
}

[data-design="new-dashboard"] .design-option-content {
    background: var(--nd-bg-card);
    border-color: var(--nd-border);
    box-shadow: none;
}

[data-design="new-dashboard"] .design-option-card input:checked+.design-option-content {
    background: color-mix(in srgb, var(--nd-accent) 12%, var(--nd-bg-card));
    border-color: var(--nd-accent);
    box-shadow: 0 0 0 1px var(--nd-accent);
}

[data-design="new-dashboard"] .design-option-name {
    color: var(--nd-text-main);
}

[data-design="new-dashboard"] .design-option-description {
    color: var(--nd-text-sub);
}

[data-design="new-dashboard"] .main-footer-box {
    border-color: var(--nd-border);
    color: var(--nd-text-sub);
}

@media (max-width: 640px) {
    [data-design="new-dashboard"] .app-container {
        padding: 0.85rem;
    }

    [data-design="new-dashboard"] .main-navbar {
        margin-bottom: 1rem;
    }

    .design-picker-grid {
        grid-template-columns: 1fr;
    }
}

/* New Dashboard geometry: an application workspace rather than the default stack. */
@media (min-width: 900px) {
    [data-design="new-dashboard"] .app-container {
        display: grid;
        grid-template-columns: 220px minmax(0, 1fr);
        grid-template-rows: 1fr auto;
        min-height: 100vh;
        gap: 2rem;
        padding: 1.5rem;
    }

    [data-design="new-dashboard"] .main-navbar {
        position: sticky;
        top: 1.5rem;
        display: flex;
        grid-column: 1;
        grid-row: 1 / -1;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        height: calc(100vh - 3rem);
        min-height: 30rem;
        padding: 1rem;
        margin: 0;
        border-radius: var(--nd-radius-lg);
    }

    [data-design="new-dashboard"] .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0.45rem;
        margin-top: 0.75rem;
    }

    [data-design="new-dashboard"] .nav-item {
        justify-content: flex-start;
        min-height: 3rem;
        padding: 0.75rem 0.9rem;
        border-color: transparent;
        border-radius: var(--nd-radius-sm);
        font-size: 0.72rem;
        letter-spacing: 0.08em;
    }

    [data-design="new-dashboard"] .nav-item:hover {
        border-color: var(--nd-border);
    }

    [data-design="new-dashboard"] #nav-donate-btn {
        justify-content: flex-start;
        width: 100% !important;
        min-height: 3rem;
        margin-top: 0.4rem !important;
        border: 1px solid var(--nd-border) !important;
        color: var(--nd-focus) !important;
    }

    [data-design="new-dashboard"] .nav-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 0.6rem;
        width: 100%;
        margin-top: auto;
        padding-top: 1rem;
        border-top: 1px solid var(--nd-border);
    }

    [data-design="new-dashboard"] .lang-select,
    [data-design="new-dashboard"] .theme-btn {
        width: 100% !important;
        min-height: 2.8rem;
        max-width: none !important;
        justify-content: center;
        padding: 0.7rem 0.75rem;
    }

    [data-design="new-dashboard"] #offline-status-indicator {
        align-self: center;
        margin: 0.35rem 0 0;
    }

    [data-design="new-dashboard"] #landing-screen,
    [data-design="new-dashboard"] #major-screen,
    [data-design="new-dashboard"] #year-screen,
    [data-design="new-dashboard"] #semester-screen,
    [data-design="new-dashboard"] #subject-screen,
    [data-design="new-dashboard"] #professor-screen,
    [data-design="new-dashboard"] #contact-screen,
    [data-design="new-dashboard"] #about-screen,
    [data-design="new-dashboard"] #account-screen,
    [data-design="new-dashboard"] #quiz-screen,
    [data-design="new-dashboard"] #result-screen {
        grid-column: 2;
        grid-row: 1;
        width: min(100%, 1120px);
        min-width: 0;
        margin: 0 auto;
    }

    [data-design="new-dashboard"] .main-footer,
    [data-design="new-dashboard"] .main-footer-box {
        grid-column: 2;
        grid-row: 2;
        margin-top: 0;
    }

    [data-design="new-dashboard"] .hero-btn-group {
        justify-content: flex-start;
        gap: 0.8rem;
        margin-top: 2rem;
    }

    [data-design="new-dashboard"] .hero-btn {
        min-height: 3.5rem;
        padding: 0.9rem 1.4rem;
    }

    [data-design="new-dashboard"] .year-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 1rem;
    }

    [data-design="new-dashboard"] .year-card {
        min-height: 8rem;
        padding: 1.5rem;
        display: flex;
        align-items: flex-end;
    }

    [data-design="new-dashboard"] .subject-grid {
        gap: 0.75rem;
    }

    [data-design="new-dashboard"] .subject-card:not(.prof-card) {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        min-height: 6.5rem;
        padding: 1.25rem 1.5rem;
    }

    [data-design="new-dashboard"] .score-card {
        padding: 2rem;
        border-radius: var(--nd-radius-lg);
    }

    [data-design="new-dashboard"] .quiz-body .app-container {
        grid-template-columns: 180px minmax(0, 1fr);
        max-width: 1440px;
        padding: 1.5rem;
    }

    [data-design="new-dashboard"] .quiz-body .main-navbar {
        grid-column: 1;
    }

    [data-design="new-dashboard"] .quiz-body #quiz-screen,
    [data-design="new-dashboard"] .result-body #result-screen {
        width: min(100%, 960px);
    }
}

@media (max-width: 899px) {
    [data-design="new-dashboard"] .app-container {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    [data-design="new-dashboard"] .main-navbar {
        order: 0;
    }

    [data-design="new-dashboard"] .screen {
        order: 1;
    }

    [data-design="new-dashboard"] .main-footer,
    [data-design="new-dashboard"] .main-footer-box {
        order: 2;
    }

    [data-design="new-dashboard"] .year-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    [data-design="new-dashboard"] .main-navbar {
        padding: 0.75rem;
        border-radius: var(--nd-radius-lg);
    }

    [data-design="new-dashboard"] .nav-links {
        justify-content: flex-start;
        gap: 0.35rem;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 0.2rem;
    }

    [data-design="new-dashboard"] .nav-item {
        min-height: 2.55rem;
        padding: 0.6rem 0.75rem;
        border-radius: var(--nd-radius-sm);
        font-size: 0.68rem;
    }

    [data-design="new-dashboard"] .nav-controls {
        justify-content: flex-start;
        padding-top: 0.65rem;
        border-top: 1px solid var(--nd-border);
    }

    [data-design="new-dashboard"] .lang-select,
    [data-design="new-dashboard"] .theme-btn {
        width: 100% !important;
        max-width: none !important;
        min-height: 2.7rem;
        border-radius: var(--nd-radius-sm);
    }

    [data-design="new-dashboard"] .year-grid {
        gap: 0.65rem;
    }

    [data-design="new-dashboard"] .year-card {
        min-height: 6.5rem;
        padding: 1rem;
        border-radius: var(--nd-radius-lg);
        font-size: 0.95rem;
    }

    [data-design="new-dashboard"] .year-card:nth-child(even) {
        transform: translateY(0.7rem);
    }

    [data-design="new-dashboard"] .year-card:nth-child(even):hover {
        transform: translateY(0.55rem);
    }

    [data-design="new-dashboard"] .subject-card:not(.prof-card) {
        display: block;
        min-height: 0;
        padding: 1rem;
        border-radius: var(--nd-radius-lg);
    }

    [data-design="new-dashboard"] .hero-btn-group {
        align-items: stretch;
        flex-direction: column;
    }

    [data-design="new-dashboard"] .hero-btn {
        width: 100%;
        min-height: 3.2rem;
    }
}

/* New Dashboard navigation: collapsed side drawer opened by the menu button. */
.dashboard-menu-toggle {
    display: none;
}

[data-design="new-dashboard"] .app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    gap: 1rem;
    padding: 5.5rem clamp(1rem, 4vw, 3rem) 1.5rem;
}

[data-design="new-dashboard"] .main-navbar {
    position: fixed;
    top: 1.25rem;
    left: 1.25rem;
    z-index: 1200;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 3.5rem;
    height: 3.5rem;
    min-height: 0;
    padding: 0.5rem;
    margin: 0;
    overflow: hidden;
    border-radius: var(--nd-radius-lg);
    transition: width var(--transition-normal), height var(--transition-normal), box-shadow var(--transition-normal);
}

[data-design="new-dashboard"] .main-navbar.is-menu-open {
    width: min(18rem, calc(100vw - 2rem));
    height: min(32rem, calc(100vh - 2rem));
    box-shadow: var(--nd-shadow-md);
}

[data-design="new-dashboard"] .dashboard-menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    flex: 0 0 auto;
    padding: 0;
    background: var(--nd-accent-strong);
    border: 0;
    border-radius: var(--nd-radius-sm);
    color: #ffffff;
    cursor: pointer;
}

[data-design="new-dashboard"] .dashboard-menu-toggle::before {
    content: "";
    width: 1.1rem;
    height: 0.75rem;
    background: linear-gradient(to bottom,
            currentColor 0 2px,
            transparent 2px 5px,
            currentColor 5px 7px,
            transparent 7px 10px,
            currentColor 10px 12px);
}

[data-design="new-dashboard"] .dashboard-menu-toggle svg {
    display: none;
}

[data-design="new-dashboard"] .main-navbar.is-menu-open .dashboard-menu-toggle::before {
    width: 1rem;
    height: 1rem;
    background: linear-gradient(45deg,
            transparent 43%,
            currentColor 44% 56%,
            transparent 57%), linear-gradient(-45deg,
            transparent 43%,
            currentColor 44% 56%,
            transparent 57%);
}

[data-design="new-dashboard"] .dashboard-menu-toggle:hover {
    background: var(--nd-accent);
    color: #10201d;
}

[data-design="new-dashboard"] .nav-links,
[data-design="new-dashboard"] .nav-controls {
    display: none;
}

[data-design="new-dashboard"] .main-navbar.is-menu-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.45rem;
    width: 100%;
    margin-top: 1rem;
}

[data-design="new-dashboard"] .main-navbar.is-menu-open .nav-controls {
    display: flex;
    flex-direction: column;
    align-items: stretch !important;
    gap: 0.6rem;
    width: 100%;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--nd-border);
}

/* Final drawer and page-flow corrections. */
[data-design="new-dashboard"] .main-navbar {
    left: -288px;
    width: 288px;
    height: 3.5rem;
    overflow: hidden;
    transition: left var(--transition-normal), height var(--transition-normal), box-shadow var(--transition-normal);
}

[data-design="new-dashboard"] .main-navbar.is-menu-open {
    left: 1.25rem;
    width: 288px;
    height: min(38rem, calc(100vh - 2.5rem));
}

[data-design="new-dashboard"] .dashboard-menu-toggle {
    position: fixed;
    top: 0.5rem;
    left: 1.25rem;
    z-index: 1201;
}

[data-design="new-dashboard"] .main-navbar.is-menu-open .nav-links {
    margin-top: 3.5rem;
}

[data-design="new-dashboard"] .home-ad-container {
    order: 2;
    flex: 0 0 auto;
    width: 100% !important;
    max-width: 1160px;
    margin: 2rem auto 0;
}

[data-design="new-dashboard"] .result-ad-container {
    width: 100%;
    max-width: 1160px;
    margin-left: auto;
    margin-right: auto;
}

[data-design="new-dashboard"] .main-footer-box {
    order: 3;
}

@media (min-width: 900px) {
    [data-design="new-dashboard"] .app-container {
        grid-template-columns: none;
        grid-template-rows: none;
        gap: 1rem;
        padding-top: 5.5rem;
    }

    [data-design="new-dashboard"] .main-navbar {
        grid-column: auto;
        grid-row: auto;
    }

    [data-design="new-dashboard"] .main-navbar.is-menu-open {
        height: min(38rem, calc(100vh - 2.5rem));
    }
}

@media (max-width: 899px) {
    [data-design="new-dashboard"] .app-container {
        gap: 0.75rem;
        padding: 5.25rem 0.85rem 1rem;
    }

    [data-design="new-dashboard"] .main-navbar {
        top: 0.85rem;
        left: -288px;
        width: 288px;
    }

    [data-design="new-dashboard"] .main-navbar.is-menu-open {
        left: 0.85rem;
        width: min(18rem, calc(100vw - 1.7rem));
        height: min(34rem, calc(100vh - 1.7rem));
    }
}