/* ========== RESET & VARIABLES ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --primary: #1a5632;
    --primary-light: #2a7a48;
    --primary-dark: #0e3a20;
    --accent: #c8102e;
    --accent-light: #e63950;
    --gold: #d4a017;
    --bg: #f0f2f5;
    --card: #ffffff;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 8px;
    --danger: #dc2626;
}
html { font-size: 14px; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ========== LAYOUT ========== */
.login-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ========== BRAND PANEL (LEFT) ========== */
.brand-panel {
    flex: 0 0 480px;
    background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px;
    position: relative;
    overflow: hidden;
}
.brand-panel::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 300px; height: 300px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}
.brand-panel::after {
    content: '';
    position: absolute;
    bottom: -60px; left: -60px;
    width: 200px; height: 200px;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
}

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

.coat-of-arms { margin-bottom: 28px; }
.shield {
    width: 72px; height: 72px;
    background: var(--accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 28px;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.brand-content h1 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 6px;
}
.brand-subtitle {
    font-size: 13px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}
.brand-divider {
    width: 48px; height: 3px;
    background: var(--gold);
    border-radius: 2px;
    margin-bottom: 20px;
}
.brand-tagline {
    font-size: 16px;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: 32px;
}

.brand-features { list-style: none; }
.brand-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    opacity: 0.85;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.brand-features li:last-child { border-bottom: none; }
.feature-icon {
    width: 28px; height: 28px;
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

.brand-footer {
    position: absolute;
    bottom: 24px; left: 48px; right: 48px;
    font-size: 11px;
    opacity: 0.45;
    z-index: 1;
}

/* ========== FORM PANEL (RIGHT) ========== */
.form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    background: var(--bg);
}
.form-container {
    width: 100%;
    max-width: 420px;
}

.mobile-logo {
    display: none;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}
.shield-sm {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: #fff;
}
.mobile-logo span {
    font-weight: 700;
    font-size: 15px;
    color: var(--primary-dark);
}

.form-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.form-header p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 28px;
}

/* ========== ERROR BANNER ========== */
.error-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 20px;
}
.error-banner[hidden] { display: none; }
.error-icon { font-size: 16px; flex-shrink: 0; }

/* ========== FORM FIELDS ========== */
.field-group {
    margin-bottom: 18px;
}
.field-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.input-wrapper {
    display: flex;
    align-items: center;
    background: var(--card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,86,50,0.1);
}
.input-wrapper.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220,38,38,0.1);
}
.input-icon {
    padding: 0 0 0 14px;
    color: var(--text-light);
    font-size: 15px;
    flex-shrink: 0;
}
.input-wrapper input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px;
    font-size: 14px;
    font-family: inherit;
    background: transparent;
    color: var(--text);
}
.input-wrapper input::placeholder { color: #9ca3af; }

.toggle-pwd {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 14px;
    font-size: 16px;
    color: var(--text-light);
    transition: color 0.2s;
}
.toggle-pwd:hover { color: var(--text); }

/* ========== REMEMBER / FORGOT ========== */
.field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}
.forgot-link {
    font-size: 13px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.forgot-link:hover { text-decoration: underline; }

/* ========== SUBMIT BUTTON ========== */
.btn-login {
    width: 100%;
    padding: 13px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}
.btn-login:hover { background: var(--primary-light); }
.btn-login:active { transform: scale(0.99); }
.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader {
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.btn-loader[hidden] { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== DEMO ACCOUNTS ========== */
.demo-section {
    margin-top: 20px;
    text-align: center;
}
.demo-toggle {
    background: none;
    border: 1px dashed var(--border);
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    font-family: inherit;
    transition: all 0.2s;
}
.demo-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.demo-accounts {
    margin-top: 12px;
    text-align: left;
}
.demo-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 8px;
}
.demo-hint code {
    background: var(--bg);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
}
.demo-table {
    width: 100%;
    font-size: 12px;
    border-collapse: collapse;
}
.demo-table thead th {
    background: var(--bg);
    padding: 6px 8px;
    text-align: left;
    font-weight: 600;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}
.demo-table tbody tr {
    cursor: pointer;
    transition: background 0.15s;
}
.demo-table tbody tr:hover {
    background: #f0faf4;
}
.demo-table td {
    padding: 6px 8px;
    border-bottom: 1px solid var(--bg);
    color: var(--text-light);
}
.demo-table td:nth-child(1) {
    font-weight: 600;
    color: var(--primary);
    width: 36px;
}
.demo-table td:nth-child(2) {
    font-family: monospace;
    font-size: 11px;
}

/* ========== FORM FOOTER ========== */
.form-footer {
    margin-top: 32px;
    text-align: center;
}
.form-footer p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
}
.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 12px;
}
.footer-links a {
    color: var(--text-light);
    text-decoration: none;
}
.footer-links a:hover { color: var(--primary); text-decoration: underline; }
.dot { color: var(--border); }

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .brand-panel { display: none; }
    .mobile-logo { display: flex; }
    .form-panel { padding: 32px 20px; }
}
@media (max-width: 480px) {
    .form-header h2 { font-size: 20px; }
    .field-row { flex-direction: column; align-items: flex-start; gap: 10px; }
}