:root {
    --forest-950: #0b2d21;
    --forest-800: #174d39;
    --forest-600: #2b7253;
    --ink: #15251e;
    --muted: #687970;
    --line: #d7e1db;
    --line-strong: #b9cac0;
    --page: #f4f6f4;
    --surface: #ffffff;
    --success-bg: #e8f4ec;
    --success-text: #205d41;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

.login-header {
    height: 64px;
    padding: 10px 24px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    background: var(--surface);
}

.brand {
    width: min(100%, 440px);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: grid;
    place-items: center;
    background: var(--forest-800);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.brand-name {
    font-size: 14px;
    font-weight: 700;
}

.brand-subtitle {
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

.login-main {
    min-height: calc(100vh - 64px);
    padding: 28px 18px 20px;
}

.form-side {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.form-card {
    width: min(100%, 440px);
    padding: 32px 34px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    box-shadow: 0 8px 28px rgba(16, 60, 44, 0.07);
}

.audience-switcher {
    margin: -10px -12px 26px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 10px;
    display: grid;
    grid-template-columns: 0.8fr 1.6fr;
    gap: 4px;
    background: var(--page);
}

.audience-switcher a {
    min-height: 38px;
    padding: 9px 10px;
    border-radius: 7px;
    display: grid;
    place-items: center;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

.audience-switcher a:hover,
.audience-switcher a:focus-visible {
    color: var(--forest-800);
}

.audience-switcher a.active {
    background: var(--surface);
    color: var(--forest-800);
    box-shadow: 0 1px 4px rgba(16, 60, 44, 0.12);
}

.audience-switcher a:focus-visible,
.student-access-callout a:focus-visible {
    outline: 2px solid var(--forest-800);
    outline-offset: 2px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--forest-600);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.text-link-button {
    text-decoration: none;
}

.student-access-callout {
    margin-top: 24px;
    padding: 16px;
    border: 1px solid #cbdcd2;
    border-radius: 9px;
    background: #f1f7f3;
}

.student-access-callout strong {
    color: var(--forest-800);
    font-size: 13px;
}

.student-access-callout p {
    margin: 6px 0 10px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.student-access-callout a {
    color: var(--forest-800);
    font-size: 12px;
    font-weight: 700;
}

h2,
p {
    margin-top: 0;
}

.form-heading h2 {
    margin-bottom: 8px;
    font-size: 27px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.form-heading > p:last-child {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

#login-form,
#reset-form,
#reset-password-form,
#accept-invitation-form,
#class-access-form {
    margin-top: 22px;
}

.name-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.name-fields .form-field {
    margin-top: 0;
}

.school-choice-fieldset {
    margin: 18px 0 0;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 9px;
    background: #fbfcfb;
}

.school-choice-fieldset legend {
    padding: 0 6px;
    color: #34483e;
    font-size: 12px;
    font-weight: 700;
}

.school-choice-fieldset > p {
    margin: 0 0 11px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.45;
}

.school-choice {
    min-height: 40px;
    padding: 8px 9px;
    border: 1px solid var(--line);
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #fff;
}

.school-choice + .school-choice {
    margin-top: 7px;
}

.school-choice label {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #34483e;
    font-size: 12px;
    font-weight: 700;
}

.school-choice input {
    accent-color: var(--forest-600);
}

.primary-school-choice {
    color: var(--forest-600) !important;
    font-size: 10px !important;
}

.school-choice-empty {
    padding: 10px;
    border-radius: 7px;
    background: #fff1ef;
    color: #87372c;
    font-size: 11px;
    line-height: 1.45;
}

.primary-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.form-field {
    display: block;
    margin-top: 15px;
}

.form-field:first-child {
    margin-top: 0;
}

.form-field > span:first-child {
    display: block;
    margin-bottom: 6px;
    color: #34483e;
    font-size: 12px;
    font-weight: 700;
}

.form-field input:not([type="checkbox"]) {
    width: 100%;
    min-height: 43px;
    padding: 10px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    font-size: 14px;
}

.form-field input::placeholder {
    color: #91a098;
}

.password-wrap {
    position: relative;
    display: block;
}

.password-wrap input {
    padding-right: 62px !important;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 6px;
    min-width: 48px;
    padding: 6px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: var(--forest-600);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    transform: translateY(-50%);
}

.password-toggle:hover {
    background: #edf3ef;
}

.form-options {
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.remember-option {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    color: #52655b;
    font-size: 11px;
    line-height: 1.35;
}

.remember-option input {
    margin: 1px 0 0;
    accent-color: var(--forest-600);
}

.text-button,
.back-button {
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--forest-600);
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
}

.text-button {
    flex: 0 0 auto;
}

.text-button:hover,
.back-button:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.primary-button {
    width: 100%;
    min-height: 43px;
    margin-top: 18px;
    padding: 10px 16px;
    border: 0;
    border-radius: 8px;
    background: var(--forest-800);
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
}

.primary-button:hover {
    background: var(--forest-950);
}

.button-link {
    display: block;
    text-align: center;
    text-decoration: none;
}

.password-requirements {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.4;
}

.form-field input:focus-visible,
.password-toggle:focus-visible,
.text-button:focus-visible,
.back-button:focus-visible,
.primary-button:focus-visible {
    outline: 2px solid var(--forest-600);
    outline-offset: 2px;
}

.form-message {
    margin: 14px 0 0;
    padding: 9px 10px;
    border: 1px solid #cfddd4;
    border-radius: 8px;
    background: #f0f5f2;
    color: #365547;
    font-size: 12px;
    line-height: 1.4;
}

.success-message {
    border-color: #cbe0d2;
    background: var(--success-bg);
    color: var(--success-text);
}

.error-message {
    border-color: #ecc6c0;
    background: #fff1ef;
    color: #87372c;
}

.help-copy {
    margin: 19px 0 0;
    padding-top: 15px;
    border-top: 1px solid var(--line);
    color: #74847c;
    font-size: 11px;
    line-height: 1.45;
    text-align: center;
}

.help-copy a,
footer a {
    color: var(--forest-600);
    font-weight: 700;
}

.back-button {
    margin-bottom: 20px;
}

footer {
    width: min(100%, 440px);
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 6px;
    color: #7a8981;
    font-size: 10px;
    text-align: center;
}

[hidden] {
    display: none !important;
}

@media (max-width: 520px) {
    .login-header {
        height: 58px;
        padding: 8px 16px;
    }

    .brand-mark {
        width: 34px;
        height: 34px;
    }

    .login-main {
        min-height: calc(100vh - 58px);
        padding: 18px 12px 14px;
    }

    .form-card {
        padding: 25px 21px;
        border-radius: 11px;
    }

    .form-options {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .name-fields {
        grid-template-columns: 1fr;
    }

    .name-fields .form-field + .form-field {
        margin-top: 15px;
    }

    footer {
        flex-wrap: wrap;
    }
}

@media (max-height: 650px) and (min-width: 521px) {
    .login-main {
        padding-top: 18px;
    }

    .form-card {
        padding-top: 25px;
        padding-bottom: 25px;
    }

    .help-copy {
        margin-top: 15px;
        padding-top: 12px;
    }
}