/* GridUnesp Self Service Password — self-hosted, framework-free stylesheet. */

:root {
    --color-bg: #f3f5f8;
    --color-card: #ffffff;
    --color-text: #1f2933;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-primary: #2b6cb0;
    --color-primary-hover: #235a92;
    --color-primary-focus: rgba(43, 108, 176, 0.35);
    --color-danger-bg: #fdecea;
    --color-danger-border: #f5b5ac;
    --color-danger-text: #9b1c0f;
    --color-info-bg: #e8f4fb;
    --color-info-border: #a9d8ef;
    --color-info-text: #0f5f80;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.08);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
                 Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.5;
}

.page {
    width: 100%;
    max-width: 460px;
}

.brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.brand img {
    max-height: 48px;
    width: auto;
}

.card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.card h1 {
    margin: 0 0 4px;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text);
}

.card .subtitle {
    margin: 0 0 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.lead {
    margin: 0 0 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.lead b {
    color: var(--color-text);
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    padding: 11px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-focus);
}

.field input::placeholder {
    color: #9aa5b1;
}

.btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--color-primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.05s ease;
}

.btn:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn:active:not(:disabled) {
    transform: translateY(1px);
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-focus);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.75;
    cursor: default;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: none;
}

.btn.is-loading .spinner {
    display: inline-block;
}

.btn.is-loading .btn-label {
    opacity: 0.85;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.callout {
    display: none;
    margin-top: 20px;
    padding: 14px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    border: 1px solid transparent;
}

.callout.is-visible {
    display: block;
}

.callout.is-error {
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
    color: var(--color-danger-text);
}

.callout.is-info {
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: var(--color-info-text);
}

.callout .callout-title {
    margin: 0 0 4px;
    font-weight: 600;
}

.callout .callout-message {
    margin: 0;
}

.callout a {
    color: inherit;
    font-weight: 600;
}

.footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer a {
    color: inherit;
}

@media (max-width: 480px) {
    .card {
        padding: 24px 20px;
    }

    .brand img {
        max-height: 38px;
    }
}