/* Local-only Concept C: image-led split portal with structured step guidance. */
:root {
    --login-c-navy: #123d50;
    --login-c-blue: #1676a3;
    --login-c-blue-dark: #0f5f85;
    --login-c-teal: #289f91;
    --login-c-gold: #d99b33;
    --login-c-muted: #68818c;
    --login-c-line: #ccdde3;
    --login-c-soft: #f3f8f9;
    --login-c-bg: #eaf3f5;
}

html,
body {
    min-height: 100%;
    background: var(--login-c-bg);
}

.login-page-c.pp-page {
    min-height: 100svh;
    padding: 0;
    background: var(--login-c-bg);
    color: var(--login-c-navy);
    font-family: "Noto Sans TC", "Microsoft JhengHei", "Segoe UI", sans-serif;
}

.login-page-c .login-shell {
    position: relative;
    display: grid;
    width: 100%;
    min-height: 100svh;
    grid-template-columns: minmax(0, 1.16fr) minmax(440px, 0.94fr);
    align-items: stretch;
    overflow: hidden;
    padding: 104px max(28px, calc((100vw - 1240px) / 2)) 30px;
    background: var(--login-c-bg);
}

.login-page-c .login-shell::before,
.login-page-c .login-shell::after,
.login-page-c .login-visual::before,
.login-page-c .login-visual::after {
    display: none;
}

.login-page-c .login-visual {
    position: relative;
    z-index: 1;
    display: flex;
    min-width: 0;
    min-height: calc(100svh - 134px);
    align-items: flex-end;
    overflow: hidden;
    padding: 44px;
    border: 1px solid #b9d1d9;
    border-right: 0;
    border-radius: 8px 0 0 8px;
    background: url("../../img/login/login-concept-c-hero-v2.jpg") center / cover no-repeat;
}

.login-page-c .login-visual-image,
.login-page-c .login-character {
    display: none;
}

.login-page-c .login-c-hero-video {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.45s ease;
}

.login-page-c .login-visual:hover .login-c-hero-video {
    opacity: 1;
}

.login-page-c .login-visual::after {
    display: block;
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(180deg, rgba(8, 48, 64, 0.16), rgba(8, 48, 64, 0.80));
}

.login-c-visual-content {
    position: relative;
    z-index: 1;
    width: min(520px, 100%);
    color: #ffffff;
}

.login-c-visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: #cdece7;
    font-size: 13px;
    font-weight: 800;
}

.login-c-visual-content h2 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(34px, 3.3vw, 46px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: 0;
    text-shadow: 0 3px 20px rgba(6, 35, 48, 0.32);
}

.login-c-visual-content > p {
    margin: 14px 0 0;
    max-width: 450px;
    color: rgba(242, 250, 249, 0.84);
    font-size: 15px;
    line-height: 1.65;
}

.login-c-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.login-c-benefits li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(246, 252, 251, 0.94);
    font-size: 13px;
    font-weight: 700;
}

.login-c-benefits i {
    color: #7ed7ca;
}

.login-page-c .login-panel {
    position: relative;
    z-index: 2;
    display: flex;
    width: 100%;
    min-width: 0;
    min-height: calc(100svh - 134px);
    flex-direction: column;
    justify-content: center;
    padding: 44px clamp(42px, 5vw, 72px);
    border: 1px solid var(--login-c-line);
    border-radius: 0 8px 8px 0;
    background: #ffffff;
    box-shadow: 0 24px 60px rgba(27, 78, 96, 0.16);
}

.login-c-steps {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
}

.login-c-step {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: inherit;
    text-decoration: none;
}

.login-c-step-icon {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border: 1px solid #d4e2e7;
    border-radius: 8px;
    background: #f2f7f8;
    color: #9bb0b8;
    font-size: 14px;
}

.login-c-step-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.login-c-step-copy small {
    color: #9cafb7;
    font-size: 10px;
    font-weight: 800;
}

.login-c-step-copy strong {
    color: #879ca5;
    font-size: 13px;
    font-weight: 700;
}

.login-c-step.is-active .login-c-step-icon {
    border-color: var(--login-c-blue);
    background: var(--login-c-blue);
    color: #ffffff;
    box-shadow: 0 7px 16px rgba(22, 118, 163, 0.24);
}

.login-c-step.is-active .login-c-step-copy small {
    color: var(--login-c-blue);
}

.login-c-step.is-active .login-c-step-copy strong {
    color: var(--login-c-navy);
}

.login-c-step.is-done .login-c-step-icon {
    border-color: #a8d7cf;
    background: #dcf1ed;
    color: #187c70;
}

.login-c-step.is-done .login-c-step-copy small,
.login-c-step.is-done .login-c-step-copy strong {
    color: #187c70;
}

.login-c-step-line {
    width: 36px;
    height: 2px;
    border-radius: 1px;
    background: #d7e4e8;
}

.login-c-step-line.is-done {
    background: var(--login-c-teal);
}

.login-page-c .login-head {
    margin-bottom: 26px;
}

.login-page-c .login-heading {
    margin: 0;
    color: var(--login-c-navy);
    font-size: 35px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: 0;
}

.login-page-c .login-subtitle {
    margin: 9px 0 0;
    color: var(--login-c-muted);
    font-size: 15px;
    line-height: 1.55;
}

.login-page-c .login-panel .pp-msg {
    margin: -6px 0 18px;
    border: 1px solid #efb8b2;
    border-radius: 8px;
    background: #fff3f2;
}

.login-page-c .login-form {
    gap: 18px;
}

.login-page-c .login-form .pp-label {
    padding-left: 0;
    color: #294f60;
    font-size: 14px;
    font-weight: 700;
}

.login-page-c .login-form .pp-input {
    height: 54px;
    border: 1px solid #bfd3da;
    border-radius: 8px;
    background: #f7fafb;
    color: var(--login-c-navy);
}

.login-page-c .login-form .pp-input::placeholder {
    color: #93a8b0;
}

.login-page-c .login-form .pp-input-ico {
    color: var(--login-c-blue);
}

.login-page-c .login-form .pp-input:focus {
    border-color: var(--login-c-blue);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(22, 118, 163, 0.15);
}

.login-page-c .login-form .login-c-code-input {
    height: 64px;
    padding: 0 18px;
    text-align: center;
    font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

.login-page-c .login-form .login-c-code-input::placeholder {
    font-family: inherit;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: none;
}

.login-c-hint {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin: -5px 0 0;
    color: #8299a2;
    font-size: 12px;
    line-height: 1.5;
}

.login-c-hint i {
    margin-top: 3px;
    color: #a6bbc3;
}

.login-page-c .login-form .pp-btn {
    width: 100%;
    height: 54px;
    margin-top: 2px;
    border-radius: 8px;
    background: var(--login-c-blue);
    box-shadow: 0 4px 0 var(--login-c-blue-dark);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0;
}

.login-page-c .login-form .pp-btn:hover {
    background: #2186b1;
}

.login-page-c .login-form .pp-btn:active {
    box-shadow: 0 1px 0 var(--login-c-blue-dark);
}

.login-page-c .login-form .pp-btn:disabled {
    background: #8db9ca;
    box-shadow: 0 4px 0 #6b9bae;
}

.login-page-c .login-schoolinfo {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 11px;
    margin: -4px 0 22px;
    padding: 11px;
    border: 1px solid #c9dce2;
    border-radius: 8px;
    background: var(--login-c-soft);
}

.login-page-c .login-school-icon {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: #dff1f3;
    color: var(--login-c-blue);
}

.login-page-c .login-school-label {
    color: var(--login-c-muted);
}

.login-page-c .login-school-name {
    color: var(--login-c-navy);
}

.login-page-c .login-school-code {
    color: var(--login-c-blue);
}

.login-page-c .login-school-change {
    min-height: 34px;
    border: 1px solid #b9d0d8;
    border-radius: 8px;
    background: #ffffff;
    color: var(--login-c-blue-dark);
}

.login-page-c .login-school-change:hover {
    background: #e9f5f7;
}

.login-page-c .login-school-change:focus-visible,
.login-page-c .login-form .pp-btn:focus-visible,
.login-c-step:focus-visible {
    outline: 3px solid rgba(22, 118, 163, 0.24);
    outline-offset: 3px;
}

.login-page-c.frontend-floating-header #header-bar {
    z-index: 4;
}

.login-page-c .header-bar-container {
    border: 1px solid #d5e3e7;
    background: #ffffff;
    box-shadow: 0 10px 28px rgba(31, 85, 105, 0.10);
}

@media (min-width: 821px) and (max-height: 800px) {
    .login-page-c .login-shell {
        padding-top: 86px;
        padding-bottom: 18px;
    }

    .login-page-c .login-visual,
    .login-page-c .login-panel {
        min-height: calc(100svh - 104px);
    }

    .login-page-c .login-panel {
        padding-top: 26px;
        padding-bottom: 26px;
    }

    .login-c-steps,
    .login-page-c .login-head {
        margin-bottom: 16px;
    }

    .login-page-c .login-form {
        gap: 13px;
    }

    .login-page-c .login-form .pp-input,
    .login-page-c .login-form .pp-btn {
        height: 49px;
    }

    .login-page-c .login-form .login-c-code-input {
        height: 56px;
    }
}

@media (max-width: 820px) {
    .login-page-c .login-shell {
        display: block;
        min-height: 100svh;
        padding: 88px 14px 20px;
    }

    .login-page-c .login-visual {
        min-height: 0;
        height: 226px;
        padding: 26px;
        border: 1px solid #b9d1d9;
        border-bottom: 0;
        border-radius: 8px 8px 0 0;
        background-position: center 54%;
    }

    .login-c-visual-content h2 {
        font-size: 28px;
    }

    .login-c-visual-content > p,
    .login-c-benefits {
        display: none;
    }

    .login-c-visual-badge {
        margin-bottom: 8px;
        font-size: 11px;
    }

    .login-page-c .login-panel {
        width: 100%;
        min-height: 0;
        margin: 0;
        padding: 32px clamp(24px, 7vw, 44px) 36px;
        border: 1px solid var(--login-c-line);
        border-radius: 0 0 8px 8px;
        box-shadow: 0 20px 46px rgba(27, 78, 96, 0.14);
    }
}

@media (max-width: 480px) {
    .login-page-c .login-shell {
        padding: 80px 10px 14px;
    }

    .login-page-c .login-visual {
        height: 170px;
        padding: 20px;
    }

    .login-c-visual-content h2 {
        font-size: 24px;
    }

    .login-page-c .login-panel {
        padding: 28px 22px 30px;
    }

    .login-c-steps {
        margin-bottom: 24px;
    }

    .login-c-step-line {
        width: 22px;
    }

    .login-c-step-copy strong {
        font-size: 12px;
    }

    .login-page-c .login-heading {
        font-size: 29px;
    }

    .login-page-c .login-schoolinfo {
        grid-template-columns: 42px minmax(0, 1fr);
    }

    .login-page-c .login-school-change {
        grid-column: 2;
        width: fit-content;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-page-c .login-form .pp-btn,
    .login-page-c .login-form .pp-input {
        transition: none;
    }

    .login-page-c .login-c-hero-video {
        display: none;
    }
}

/* no underline on header chrome links; brand/title links may underline on hover */
.login-page-c #header-bar a:not(.header-bar-logo-link):not(.header-bar-sub-title),
.login-page-c #header-bar a:not(.header-bar-logo-link):not(.header-bar-sub-title):hover {
    text-decoration: none;
}