/* Login page — GGCAST branding */

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

html {
    width: 100%;
    overflow-x: hidden;
}

body.login-page {
    margin: 0;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--brand-font-family, 'Poppins', ui-sans-serif, system-ui, sans-serif);
    color: var(--brand-text-dark, #333);
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--brand-primary, #fbbf24) 12%, transparent), transparent 42%),
        linear-gradient(160deg, var(--brand-shell-muted, #f4f6f9) 0%, #eef2f7 100%);
}

.login-page-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
}

/* Top bar */
.login-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--brand-page-bg, #fff);
    border-bottom: 1px solid var(--brand-shell-border, #e5e7eb);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.login-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--brand-shell-border, #e5e7eb);
    background: var(--brand-page-bg, #fff);
    color: var(--brand-nav-link, var(--brand-blue, #1e3a8a));
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.login-back-btn:hover {
    background: color-mix(in srgb, var(--brand-primary, #fbbf24) 12%, #fff);
    color: var(--brand-blue, #1e3a8a);
    border-color: color-mix(in srgb, var(--brand-primary, #fbbf24) 45%, var(--brand-shell-border, #e5e7eb));
    transform: translateX(-2px);
}

.login-topbar-logo {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

/* Main content */
.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 2rem 1rem 3rem;
}

.login-card {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    background: var(--brand-shell-card, #fff);
    border-radius: 16px;
    border: 1px solid var(--brand-shell-border, #e5e7eb);
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.03),
        0 16px 40px rgba(0, 0, 0, 0.08);
    overflow: visible;
    position: relative;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 16px 16px 0 0;
    background: linear-gradient(
        90deg,
        var(--brand-blue, #1e3a8a),
        var(--brand-primary, #fbbf24)
    );
    pointer-events: none;
}

.login-card form {
    width: 100%;
}

.login-logo-wrap {
    text-align: center;
    margin-bottom: 1.25rem;
}

.login-logo {
    max-width: 160px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.login-title {
    font-family: var(--brand-font-family-heading, inherit);
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--brand-school-name-color, var(--brand-blue, #1e3a8a));
    text-align: center;
    margin-bottom: 0.35rem;
}

.login-subtitle {
    font-size: 0.95rem;
    color: var(--brand-shell-muted-text, #64748b);
    text-align: center;
    margin: 0 0 1.75rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.login-field {
    margin-bottom: 1rem;
    width: 100%;
}

.login-field .form-control {
    display: block;
    width: 100%;
    max-width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--brand-shell-border, #e5e7eb);
    border-radius: 10px;
    font: inherit;
    font-size: 0.95rem;
    color: var(--brand-text-dark, #333);
    background: var(--brand-page-bg, #fff);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-field .form-control::placeholder {
    color: #94a3b8;
}

.login-field .form-control:focus {
    border-color: var(--brand-nav-link, var(--brand-blue, #1e3a8a));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-nav-link, #1e3a8a) 18%, transparent);
}

.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.login-options .form-check-label {
    font-size: 0.875rem;
    color: var(--brand-shell-muted-text, #64748b);
}

.login-options .form-check-input:checked {
    background-color: var(--brand-accent, #1e3a8a);
    border-color: var(--brand-accent, #1e3a8a);
}

.login-forgot {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--brand-nav-link, var(--brand-blue, #1e3a8a));
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-forgot:hover {
    color: var(--brand-primary, #fbbf24);
}

.login-alert {
    margin-top: 0.75rem;
    padding: 0.65rem 0.9rem;
    border-radius: 8px;
    font-size: 0.875rem;
    background: color-mix(in srgb, var(--brand-status-danger, #dc2626) 10%, #fff);
    border: 1px solid color-mix(in srgb, var(--brand-status-danger, #dc2626) 25%, transparent);
    color: var(--brand-status-danger, #dc2626);
}

.login-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 1.25rem;
    margin-top: 1.25rem;
    border: none;
    border-radius: 10px;
    background: var(--brand-button-bg, var(--brand-accent, #1e3a8a));
    color: var(--brand-button-text, #fff);
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--brand-button-bg, #1e3a8a) 35%, transparent);
}

.login-submit:hover {
    background: var(--brand-button-hover-bg, var(--brand-blue-dark, #163a82));
    transform: translateY(-1px);
    box-shadow: 0 6px 18px color-mix(in srgb, var(--brand-button-bg, #1e3a8a) 40%, transparent);
}

.login-submit:active {
    transform: translateY(0);
}

.login-register {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 1.25rem;
    margin-top: 0.75rem;
    border: 2px solid var(--brand-accent, #1e3a8a);
    border-radius: 10px;
    background: transparent;
    color: var(--brand-accent, #1e3a8a);
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.login-register:hover {
    background: color-mix(in srgb, var(--brand-accent, #1e3a8a) 8%, #fff);
    color: var(--brand-blue-dark, #163a82);
    transform: translateY(-1px);
}

@media (max-width: 576px) {
    .login-topbar {
        padding: 0.85rem 1rem;
    }

    .login-topbar-logo {
        max-height: 32px;
    }

    .login-card {
        padding: 2rem 1.25rem;
    }

    .login-title {
        font-size: 1.35rem;
    }

    .login-subtitle {
        font-size: 0.875rem;
    }
}