/* =========================
 * Variáveis globais
 * ========================= */
:root {
    --color-bg-start: #f4f6f9;
    --color-bg-end: #e9edf3;
    --color-card-bg: #ffffff;

    --color-primary: #ff6a00;
    --color-primary-hover: #e85f00;

    --color-text-title: #1f2937;
    --color-text-default: #374151;
    --color-text-muted: #6b7280;
    --color-text-footer: #9ca3af;

    --color-border-default: #d1d5db;
    --color-error: #c00;

    --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--color-text-default);
    background: linear-gradient(150deg, var(--color-bg-start), var(--color-bg-end));
    min-height: 100vh;
}

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

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--color-card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    padding: 2rem;
}

.login-header h1 {
    margin: 0;
    color: var(--color-text-title);
    font-size: 1.75rem;
}

.login-header p {
    margin: 0.5rem 0 1.5rem;
    color: var(--color-text-muted);
}

.login-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: grid;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    border: 1px solid var(--color-border-default);
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    font-size: 0.95rem;
    color: var(--color-text-default);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 2.75rem;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.55rem;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: #ffffff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.password-toggle:hover {
    border-color: #d1d5db;
    color: #374151;
    background-color: #f9fafb;
}

.password-toggle:focus {
    outline: none;
    border-color: var(--color-primary);
}

.password-toggle img {
    width: 18px;
    height: 18px;
    display: block;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.92rem;
    cursor: pointer;
}

.checkbox input {
    accent-color: var(--color-primary);
}

.btn-primary {
    width: 100%;
    border: none;
    border-radius: 10px;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.85rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.05s ease;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

.login-form > .btn-primary {
    margin-top: 30px;
}

.form-feedback {
    margin: 0;
    min-height: 1.2rem;
    color: var(--color-error);
    font-size: 0.88rem;
}

.form-feedback.success {
    color: #1f7a1f;
}

.forgot-password .form-feedback {
    color: var(--color-text-muted);
}

.forgot-password {
    margin-top: 0.5rem;
    border-top: 1px solid #e5e7eb;
    padding-top: 0.75rem;
}

.forgot-password-form {
    margin-top: 0.75rem;
    display: grid;
    gap: 0.5rem;
}

.forgot-password-form.hidden {
    display: none;
}

.forgot-password-form label {
    font-size: 0.9rem;
    font-weight: 600;
}

.forgot-password-form input {
    width: 100%;
    border: 1px solid var(--color-border-default);
    border-radius: 10px;
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
}

.forgot-password-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

.link-button {
    border: none;
    background: transparent;
    color: #1f2937;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0;
    cursor: pointer;
}

.link-button:hover {
    color: var(--color-primary-hover);
}

.btn-secondary {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    background: #f9fafb;
    color: #1f2937;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.75rem 1rem;
    cursor: pointer;
}

.btn-secondary:hover {
    background: #f3f4f6;
}

.btn-secondary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

@media (max-width: 480px) {
    .login-card {
        border-radius: 12px;
        padding: 1.5rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }
}