:root {
    --radius: 10px;
    --radius-sm: 8px;
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

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

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

.icon {
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.login-page {
    background: linear-gradient(160deg, var(--color-navy) 0%, #1a3a42 55%, var(--color-navy-light) 100%);
    min-height: 100%;
}

.login {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
}

.login__card {
    width: 100%;
    max-width: 400px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
}

.login__header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.login__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-navy);
    font-weight: 800;
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
}

.login__brand svg {
    width: 32px;
    height: 32px;
    color: var(--color-orange);
}

.login__title {
    margin: 0 0 0.4rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-navy);
}

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

.login__alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
}

.login__alert--error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error);
}

.login__alert--success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success);
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 0.15s, background 0.15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-navy);
    background: var(--color-surface);
}

.form-input.is-valid {
    border-color: var(--color-green);
    background: var(--color-success-bg);
}

.form-input.is-invalid {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.form-feedback {
    display: none;
    font-size: 0.78rem;
    margin-top: 0.3rem;
    font-weight: 500;
}

.form-feedback--error {
    color: var(--color-error);
}

.form-feedback--success {
    color: var(--color-success);
}

.form-group.has-error .form-feedback--error,
.form-group.has-success .form-feedback--success {
    display: block;
}

.form-footer {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.25rem;
}

.form-link {
    font-size: 0.85rem;
    color: var(--color-orange);
    font-weight: 600;
    text-decoration: none;
}

.form-link:hover {
    opacity: 0.85;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.8rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}

.btn--submit {
    background: var(--color-orange);
    color: var(--color-surface);
    border-color: var(--color-orange);
}

.btn--submit:hover {
    background: var(--color-orange-dark);
    border-color: var(--color-orange-dark);
}

.login__footer {
    margin-top: 1.5rem;
    text-align: center;
}

.login__footer p {
    margin: 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.45);
}

@media (min-width: 480px) {
    .login__card {
        padding: 2.25rem 2rem;
    }
}