:root {
    --color-bg: #f3f6fb;
    --color-surface: #ffffff;
    --color-surface-muted: #f7f9fc;
    --color-border: #dbe4f0;
    --color-border-strong: #c7d4e3;
    --color-text: #18324b;
    --color-text-soft: #60748a;
    --color-topbar: #15263f;
    --color-topbar-muted: #9eb2c9;
    --color-primary: #1565d8;
    --color-primary-hover: #0f57bd;
    --color-primary-soft: #edf4ff;
    --color-secondary: #eff4fb;
    --color-secondary-hover: #e4edf9;
    --color-success: #20814d;
    --color-success-bg: #edf8f1;
    --color-warning: #9b6800;
    --color-warning-bg: #fff5d9;
    --color-danger: #b34040;
    --color-danger-bg: #fff1f1;
    --shadow-sm: 0 10px 24px rgba(14, 32, 54, 0.06);
    --shadow-md: 0 18px 40px rgba(14, 32, 54, 0.1);
    --shadow-lg: 0 30px 80px rgba(11, 28, 48, 0.18);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --container: 1180px;
    --font-sans: "Aptos", "Trebuchet MS", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--color-text);
    background:
        radial-gradient(circle at top left, rgba(21, 101, 216, 0.1), transparent 26%),
        radial-gradient(circle at bottom right, rgba(21, 101, 216, 0.08), transparent 30%),
        linear-gradient(180deg, #f7f9fd 0%, var(--color-bg) 100%);
}

a {
    color: inherit;
}

button,
input,
textarea {
    font: inherit;
}

.app-shell {
    min-height: 100vh;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 20px;
}

.auth-stage {
    width: min(1120px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 440px);
    gap: 28px;
    align-items: stretch;
}

.auth-stage__intro {
    padding: 38px;
    border-radius: var(--radius-xl);
    background: linear-gradient(160deg, #173056 0%, #21427b 48%, #1565d8 100%);
    color: #ffffff;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 28px;
}

.brand-lockup {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
}

.brand-lockup__eyebrow {
    font-size: 0.78rem;
    line-height: 1;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 700;
}

.brand-lockup__title {
    font-size: 1.2rem;
    line-height: 1.1;
    font-weight: 800;
}

.brand-lockup--light .brand-lockup__eyebrow {
    color: rgba(255, 255, 255, 0.72);
}

.brand-lockup--light .brand-lockup__title {
    color: #ffffff;
}

.page-eyebrow,
.auth-eyebrow {
    margin: 0 0 10px;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.auth-copy .page-eyebrow,
.auth-copy .page-description {
    color: rgba(255, 255, 255, 0.86);
}

.auth-copy--centered {
    text-align: center;
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
    margin: 0 auto;
}

.auth-copy--centered .page-eyebrow,
.auth-copy--centered .page-title {
    text-align: center;
}

.auth-stage__intro .brand-lockup {
    align-items: center;
    text-align: center;
}

.page-title,
h1 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.page-description,
.auth-description,
.message-card p {
    max-width: 760px;
    margin: 14px 0 0;
    color: var(--color-text-soft);
    font-size: 1rem;
    line-height: 1.7;
}

.auth-highlight {
    padding: 22px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
}

.auth-highlight h2 {
    margin: 0 0 12px;
    font-size: 1.15rem;
}

.auth-highlight__list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 10px;
    line-height: 1.6;
}

.auth-card,
.message-card,
.dashboard-card,
.section-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.auth-card {
    padding: 32px;
}

.message-card,
.dashboard-card {
    width: min(100%, 480px);
    padding: 32px;
    text-align: center;
}

.auth-card__header {
    margin-bottom: 24px;
}

.auth-card__eyebrow {
    margin: 0 0 8px;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.auth-card__header h2,
.auth-card__header h1 {
    margin-bottom: 10px;
    font-size: 2rem;
    line-height: 1.1;
}

.auth-card__description {
    margin: 0;
    color: var(--color-text-soft);
    line-height: 1.6;
}

.auth-form {
    display: grid;
    gap: 18px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field label {
    font-size: 0.95rem;
    font-weight: 700;
}

.form-field small {
    color: var(--color-text-soft);
    font-size: 0.84rem;
    line-height: 1.5;
}

.form-field input,
.form-field textarea {
    width: 100%;
    min-height: 54px;
    padding: 14px 16px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: #ffffff;
    color: var(--color-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-field textarea {
    min-height: 132px;
    resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
    color: #8da0b4;
}

.form-field input:hover,
.form-field textarea:hover {
    border-color: #b8c7d9;
}

.form-field input:focus-visible,
.form-field textarea:focus-visible,
.button:focus-visible,
.auth-link:focus-visible,
.dashboard-filter:focus-visible,
.pagination__link:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(21, 101, 216, 0.16);
}

.form-field input[readonly],
.form-field input[disabled],
.form-field textarea[disabled] {
    background: var(--color-surface-muted);
    color: #718398;
    cursor: not-allowed;
}

.field-error {
    display: block;
    color: var(--color-danger);
    font-size: 0.88rem;
    font-weight: 600;
}

.alert {
    margin-bottom: 18px;
    padding: 15px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    line-height: 1.55;
}

.alert--success {
    color: var(--color-success);
    background: var(--color-success-bg);
    border-color: rgba(32, 129, 77, 0.16);
}

.alert--error {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-color: rgba(179, 64, 64, 0.16);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 12px 18px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-size: 0.97rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary {
    color: #ffffff;
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-hover));
    box-shadow: 0 16px 32px rgba(21, 101, 216, 0.24);
}

.button--primary:hover {
    background: linear-gradient(180deg, #166be0, #1055b7);
}

.button--secondary {
    color: var(--color-text);
    background: var(--color-secondary);
    border-color: var(--color-border);
}

.button--secondary:hover {
    background: var(--color-secondary-hover);
}

.button--ghost {
    color: var(--color-primary);
    background: #ffffff;
    border-color: rgba(21, 101, 216, 0.18);
}

.button--ghost:hover {
    background: var(--color-primary-soft);
    border-color: rgba(21, 101, 216, 0.24);
}

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

.button--full {
    width: 100%;
}

.button[disabled],
.button.is-loading {
    cursor: wait;
    opacity: 0.7;
    transform: none;
    box-shadow: none;
}

.auth-card__footer {
    margin-top: 24px;
    display: grid;
    gap: 18px;
}

.auth-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 18px;
    align-items: center;
}

.auth-link {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-link--muted {
    color: var(--color-text-soft);
}

.auth-link[aria-disabled="true"] {
    pointer-events: none;
    opacity: 0.92;
}

.auth-support {
    padding: 16px 18px;
    border-radius: var(--radius-md);
    background: var(--color-surface-muted);
    border: 1px solid var(--color-border);
}

.auth-support strong {
    display: block;
    margin-bottom: 6px;
}

.auth-support p {
    margin: 0;
    color: var(--color-text-soft);
    line-height: 1.6;
}

@media (max-width: 980px) {
    .auth-stage {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .auth-shell {
        padding: 18px 16px;
    }

    .auth-stage__intro,
    .auth-card,
    .message-card,
    .dashboard-card {
        padding: 22px;
        border-radius: 22px;
    }

    .page-title,
    h1 {
        font-size: 2rem;
    }

    .auth-card__header h2,
    .auth-card__header h1 {
        font-size: 1.7rem;
    }

    .auth-links {
        flex-direction: column;
        align-items: flex-start;
    }
}