:root {
    --color-primary: #418897;
    --color-primary-dark: #357080;
    --color-accent: #FF7B3D;
    --color-bg: #f0f4f8;
    --color-surface: #ffffff;
    --color-text: #1a2b3c;
    --color-muted: #6c757d;
    --color-border: #e2e8f0;
    --radius: 16px;
    --shadow-lg: 0 20px 50px rgba(26, 43, 60, 0.12);
}

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

body.login-page {
    margin: 0;
    min-height: 100vh;
    font-family: 'Poppins', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
}

.login-page__bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(65, 136, 151, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 90% 80%, rgba(255, 123, 61, 0.14) 0%, transparent 40%),
        linear-gradient(135deg, #e8f2f5 0%, var(--color-bg) 50%, #fff5ef 100%);
    z-index: 0;
}

.login-page__wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    overflow: hidden;
}

.login-card__header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 2rem 2rem 1.75rem;
    text-align: center;
    color: #fff;
}

.login-card__logo {
    width: 96px;
    height: 96px;
    object-fit: contain;
    background: #fff;
    border-radius: 50%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.login-card__title {
    margin: 0 0 0.25rem;
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.login-card__subtitle {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.9;
    font-weight: 400;
}

.login-card__body {
    padding: 2rem;
}

.login-field {
    margin-bottom: 1.25rem;
}

.login-field__label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.login-field__input-wrap {
    position: relative;
}

.login-field__input-wrap i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-muted);
    font-size: 1rem;
    pointer-events: none;
}

.login-field__input {
    width: 100%;
    padding: 0.75rem 0.875rem 0.75rem 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-text);
    background: #fafbfc;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.login-field__input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(65, 136, 151, 0.15);
}

.login-field__input.is-invalid {
    border-color: #dc3545;
}

.login-field__error {
    margin-top: 0.35rem;
    font-size: 0.78rem;
    color: #dc3545;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

.login-alert--error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.login-alert--error i {
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.login-btn {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--color-accent) 0%, #e86a2a 100%);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 14px rgba(255, 123, 61, 0.35);
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 123, 61, 0.4);
}

.login-btn i {
    margin-right: 0.35rem;
}

.login-page__footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1rem;
    font-size: 0.78rem;
    color: var(--color-muted);
}

.login-page__footer strong {
    color: var(--color-primary);
    font-weight: 600;
}

@media (max-width: 480px) {
    .login-card__header {
        padding: 1.5rem 1.25rem 1.25rem;
    }

    .login-card__body {
        padding: 1.5rem;
    }

    .login-card__logo {
        width: 80px;
        height: 80px;
    }
}