*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --navy:       #0F1B2D;
    --navy-mid:   #162438;
    --navy-light: #1E3050;
    --church-blue:#1A4B8C;
    --gold:       #C8A84B;
    --gold-dim:   #9E7D32;
    --off-white:  #F0EDE8;
    --muted:      #8A9BB5;
    --card-bg:    #FAFAF8;
    --error:      #D94F4F;
    --error-bg:   #FDF0F0;
    --success:    #3A8C5C;
}

html, body {
    height: 100%;
    font-family: 'Inter', sans-serif;
    background-color: var(--navy);
    color: var(--off-white);
}

/* ── Layout ── */
.page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

/* ── Left panel ── */
.brand-panel {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3.5rem 4rem;
    background-color: var(--navy);
    position: relative;
    overflow: hidden;
}

/* Subtle background texture - faint cross motif */
.brand-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(var(--navy-light) 1px, transparent 1px),
            linear-gradient(90deg, var(--navy-light) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.25;
    pointer-events: none;
}

.brand-top {
    position: relative;
    z-index: 1;
}

.brand-wordmark {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

/* Signature gold bar */
.gold-bar {
    width: 3px;
    height: 52px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    flex-shrink: 0;
    margin-top: 4px;
}

.brand-name {
    font-family: 'Crimson Pro', Georgia, serif;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.15;
    color: var(--off-white);
    letter-spacing: -0.01em;
}

.brand-name span {
    display: block;
    font-weight: 400;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--muted);
    margin-top: 0.2rem;
    letter-spacing: 0;
}

.brand-center {
    position: relative;
    z-index: 1;
}

.brand-quote {
    font-family: 'Crimson Pro', Georgia, serif;
    font-size: 1.55rem;
    font-weight: 400;
    font-style: italic;
    line-height: 1.5;
    color: var(--muted);
    max-width: 340px;
    border-left: 2px solid var(--gold-dim);
    padding-left: 1.25rem;
}

.brand-quote cite {
    display: block;
    font-style: normal;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gold-dim);
    margin-top: 0.75rem;
}

.brand-bottom {
    position: relative;
    z-index: 1;
    font-size: 0.8rem;
    color: var(--muted);
}

/* ── Right panel (form) ── */
.form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg);
    padding: 3rem 2rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    font-family: 'Crimson Pro', Georgia, serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.login-card .subtitle {
    font-size: 0.875rem;
    color: #5A6780;
    margin-bottom: 2.5rem;
}

/* ── Alert box ── */
.alert {
    display: none;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.45;
}

.alert.error {
    display: flex;
    background-color: var(--error-bg);
    border: 1px solid #F3C5C5;
    color: #7A2020;
}

.alert.success {
    display: flex;
    background-color: #EEF7F2;
    border: 1px solid #B8DFC8;
    color: #1F4D34;
}

.alert-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Form fields ── */
.field {
    margin-bottom: 1.25rem;
}

.field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #3A4A60;
    margin-bottom: 0.45rem;
}

.field input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid #D4D9E3;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    color: var(--navy);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    appearance: none;
}

.field input:focus {
    border-color: var(--church-blue);
    box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.12);
}

.field input.invalid {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(217, 79, 79, 0.1);
}

/* ── Submit button ── */
.btn-login {
    width: 100%;
    padding: 0.875rem;
    background-color: var(--church-blue);
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 0.5rem;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-login:hover:not(:disabled) {
    background-color: #153E76;
}

.btn-login:active:not(:disabled) {
    transform: scale(0.99);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-login.loading .spinner {
    display: block;
}

.btn-login.loading .btn-label {
    opacity: 0.7;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .page {
        grid-template-columns: 1fr;
    }

    .brand-panel {
        padding: 2.5rem 2rem 2rem;
        min-height: auto;
    }

    .brand-center {
        display: none;
    }

    .brand-bottom {
        display: none;
    }

    .form-panel {
        padding: 2.5rem 1.5rem;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    .spinner { animation: none; }
    * { transition: none !important; }
}