:root {
    --color-primary: #4b5563;
    --color-primary-rgb: 75, 85, 99;
    --color-primary-dark: #374151;
    --color-primary-light: #e5e7eb;
    --color-secondary: #6b7280;
    --color-secondary-dark: #4b5563;
    --color-text: #333333;
    --color-text-muted: #666666;
    --color-bg: #f9fafb;
    --color-white: #ffffff;
    --color-border: #dddddd;
    --color-error: #e53e3e;
    --color-warning-bg: #fff7e0;
    --color-warning-border: #f2cf66;
    --color-warning-text: #6b5818;
    --color-warning-accent: #cca34a;
    --font-main: Georgia, serif;
    --font-heading: Georgia, serif;
    --font-ui: system-ui, sans-serif;
}

/* ── Page wrapper ─────────────────────────────────────────── */
body.page-login {
    background: var(--color-bg);
    font-family: var(--font-main);
    color: var(--color-text);
    min-height: 100vh;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.25rem;
}

/* ── Header / logo ────────────────────────────────────────── */
.main-header {
    margin-bottom: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

#header-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.login-logo {
    display: block;
    width: 220px;
    height: auto;
}

.login-logo-label {
    margin-top: 0.75rem;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 6px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* ── Card ─────────────────────────────────────────────────── */
.login-wrapper .content {
    width: 100%;
    max-width: 460px;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 4px 24px rgba(var(--color-primary-rgb), 0.08);
    padding: 2.5rem 2.25rem;
    position: relative;
}

.login-heading {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin: 0 0 1.75rem;
    line-height: 1.2;
}
.login-heading::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--color-secondary);
    margin: 0.75rem auto 0;
}

.auth-intro {
    font-family: var(--font-main);
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    text-align: center;
    margin: -0.5rem 0 1.5rem;
}
.auth-intro p {
    margin: 0 0 0.6rem;
}
.auth-intro p:last-child {
    margin-bottom: 0;
}
.auth-intro .text-muted,
.auth-intro .small {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}
.auth-intro a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s, color 0.15s;
}
.auth-intro a:hover,
.auth-intro a:focus {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

/* ── Forms ────────────────────────────────────────────────── */
.login-wrapper .content form .form-group {
    margin-bottom: 1.1rem;
    display: block;
}
.login-wrapper .content label.form-control-label,
.login-wrapper .content label.form-check-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    display: block;
    width: auto;
    text-align: left;
}
.login-wrapper .content label.form-control-label.required::after {
    content: ' *';
    color: var(--color-secondary);
}
.login-wrapper .content input.form-control {
    width: 100%;
    padding: 0.7rem 0.85rem;
    font-size: 0.95rem;
    font-family: var(--font-main);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background-color: var(--color-white);
    color: var(--color-text);
    transition: border-color 0.15s, box-shadow 0.15s;
    height: 45px;
}
.login-wrapper .content input.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}
.login-wrapper .content input.form-control.is-invalid {
    border-color: var(--color-error);
}

.login-wrapper .content .form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding-left: 0;
}
.login-wrapper .content .form-check-input {
    flex-shrink: 0;
    margin-top: 0.2rem;
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
}
.login-wrapper .content .form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}
.login-wrapper .content .form-check-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}
.login-wrapper .content .form-check-label {
    margin-bottom: 0;
    text-transform: none;
    letter-spacing: 0;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text);
    cursor: pointer;
}

.login-wrapper .content .invalid-feedback,
.login-wrapper .content .form-text.text-danger {
    color: var(--color-error);
    font-family: var(--font-main);
    font-size: 0.8rem;
    margin-top: 0.3rem;
}
.login-wrapper .content .form-text {
    margin-top: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.login-wrapper .content .form-text a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s, color 0.15s;
}
.login-wrapper .content .form-text a:hover,
.login-wrapper .content .form-text a:focus {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

/* ── Buttons (Bootstrap variable overrides) ───────────────── */
.login-wrapper .content .btn-primary,
.login-wrapper .content a.btn.btn-primary,
.login-wrapper .content button.btn.btn-primary,
.login-wrapper .content button[type="submit"] {
    --bs-btn-color: var(--color-white);
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-color: var(--color-white);
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-color: var(--color-white);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-disabled-color: var(--color-white);
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
    --bs-btn-focus-shadow-rgb: var(--color-primary-rgb);
    --bs-gradient: none;
    background-color: var(--color-primary);
    background-image: none;
    border: 1px solid var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.85rem 1.5rem;
    border-radius: 4px;
    width: 100%;
    display: block;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s, transform 0.15s, box-shadow 0.15s;
    margin-top: 0.5rem;
    text-decoration: none;
    text-align: center;
}
.login-wrapper .content .btn-primary:hover,
.login-wrapper .content .btn-primary:focus,
.login-wrapper .content .btn-primary:focus-visible,
.login-wrapper .content .btn-primary:active,
.login-wrapper .content a.btn.btn-primary:hover,
.login-wrapper .content a.btn.btn-primary:focus,
.login-wrapper .content a.btn.btn-primary:focus-visible,
.login-wrapper .content a.btn.btn-primary:active,
.login-wrapper .content button.btn.btn-primary:hover,
.login-wrapper .content button.btn.btn-primary:focus,
.login-wrapper .content button.btn.btn-primary:focus-visible,
.login-wrapper .content button.btn.btn-primary:active,
.login-wrapper .content button[type="submit"]:hover,
.login-wrapper .content button[type="submit"]:focus,
.login-wrapper .content button[type="submit"]:focus-visible,
.login-wrapper .content button[type="submit"]:active {
    background-color: var(--color-primary-dark);
    background-image: none;
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(var(--color-primary-rgb), 0.15);
}

.login-wrapper .content .btn-secondary,
.login-wrapper .content a.btn.btn-secondary {
    --bs-btn-color: var(--color-primary);
    --bs-btn-bg: var(--color-white);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-color: var(--color-white);
    --bs-btn-hover-bg: var(--color-primary);
    --bs-btn-hover-border-color: var(--color-primary);
    --bs-btn-active-color: var(--color-white);
    --bs-btn-active-bg: var(--color-primary);
    --bs-btn-active-border-color: var(--color-primary);
    --bs-gradient: none;
    background-color: var(--color-white);
    background-image: none;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.85rem 1.5rem;
    border-radius: 4px;
    width: 100%;
    display: block;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.login-wrapper .content .btn-secondary:hover,
.login-wrapper .content .btn-secondary:focus,
.login-wrapper .content .btn-secondary:focus-visible,
.login-wrapper .content .btn-secondary:active,
.login-wrapper .content a.btn.btn-secondary:hover,
.login-wrapper .content a.btn.btn-secondary:focus,
.login-wrapper .content a.btn.btn-secondary:focus-visible,
.login-wrapper .content a.btn.btn-secondary:active {
    background-color: var(--color-primary);
    background-image: none;
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(var(--color-primary-rgb), 0.15);
}

/* ── Social login (Google) ────────────────────────────────── */
.login-social-wrapper {
    margin-bottom: 0.75rem;
}
.login-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.login-google-btn:hover {
    border-color: var(--color-primary);
    box-shadow: 0 2px 10px rgba(var(--color-primary-rgb), 0.1);
    transform: translateY(-1px);
    color: var(--color-text);
    text-decoration: none;
}
.login-google-btn svg {
    flex-shrink: 0;
}

.login-separator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0 1.25rem;
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.login-separator::before,
.login-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-border);
}

/* ── In-app browser warning ───────────────────────────────── */
.in-app-warning {
    background: var(--color-warning-bg);
    border: 1px solid var(--color-warning-border);
    border-radius: 4px;
    padding: 0.9rem 1rem;
    margin-bottom: 1.25rem;
    font-family: var(--font-main);
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--color-warning-text);
}
.in-app-warning-title {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: 0.4rem;
}
.in-app-warning-copy-btn {
    margin-top: 0.7rem;
    background: var(--color-white);
    border: 1px solid var(--color-warning-accent);
    color: var(--color-warning-text);
    font-family: var(--font-ui);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.45rem 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}
.in-app-warning-copy-btn:hover {
    background: var(--color-warning-bg);
}

/* ── Alerts ───────────────────────────────────────────────── */
.login-wrapper .content .alert-danger {
    background: #fbe9e9;
    border: 1px solid #e9a8a8;
    color: var(--color-secondary-dark);
    font-family: var(--font-main);
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* ── Footer link ──────────────────────────────────────────── */
.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.auth-footer a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s, color 0.15s;
}
.auth-footer a:hover,
.auth-footer a:focus {
    color: var(--color-secondary);
    border-bottom-color: var(--color-secondary);
}

/* ── Language switcher ────────────────────────────────────── */
.lang-switcher {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    z-index: 1050;
}
.lang-switcher .dropdown-toggle {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.45rem 0.85rem;
    border-radius: 4px;
}
.lang-switcher .dropdown-toggle:hover,
.lang-switcher .dropdown-toggle:focus {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}
.lang-switcher .dropdown-menu {
    font-family: var(--font-ui);
    font-size: 0.8rem;
}
.lang-switcher .dropdown-item.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 480px) {
    .login-wrapper .content { padding: 2rem 1.5rem; }
    .login-logo { width: 180px; }
    .lang-switcher { top: 0.75rem; right: 0.75rem; }
}