/* ============================================================
   Nexo ERP - Login Page
   ============================================================ */
:root {
    --primary: #D97757;
    --primary-dark: #C4654A;
    --primary-light: #E8A08A;
    --bg-dark: #141413;
    --bg-cream: #FAF9F5;
    --bg-card: #ffffff;
    --text-primary: #141413;
    --text-secondary: #6B6966;
    --text-light: #9C9A95;
    --border: #E8E6E1;
    --error: #DC2626;
    --error-bg: #FEF2F2;
    --radius: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    background: var(--bg-dark);
}

.login-container {
    display: flex;
    min-height: 100vh;
}

/* ---- Left panel ---- */
.login-left {
    flex: 0 0 45%;
    background: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(217,119,87,0.08) 0%, transparent 70%);
    top: -100px;
    right: -200px;
    border-radius: 50%;
}

.login-left::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(217,119,87,0.05) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.brand-content {
    position: relative;
    z-index: 1;
    color: white;
    max-width: 380px;
}

.logo-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 2rem;
}

.brand-content h1 {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.brand-content h1 span {
    font-weight: 300;
    opacity: 0.8;
}

.tagline {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.6;
    margin: 1rem 0 3rem;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    opacity: 0.75;
}

.feature-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-light);
    flex-shrink: 0;
}

.login-footer-left {
    margin-top: 4rem;
    opacity: 0.3;
    font-size: 0.75rem;
}

/* ---- Right panel ---- */
.login-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: var(--bg-cream);
}

.login-form-wrapper {
    width: 100%;
    max-width: 380px;
}

.login-form-wrapper h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.error-msg {
    background: var(--error-bg);
    color: var(--error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--error);
}

.hidden { display: none; }

/* Form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-primary);
    background: #ffffff;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(217,119,87,0.1);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.password-wrapper {
    position: relative;
}

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

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    padding: 0.25rem;
    display: flex;
    transition: color 0.2s;
}

.toggle-password:hover {
    color: var(--text-secondary);
}

.btn-login {
    width: 100%;
    padding: 0.85rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(217,119,87,0.3);
}

.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.spinner { animation: spin 0.8s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.login-footer {
    text-align: center;
    margin-top: 2.5rem;
    color: var(--text-light);
    font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
    .login-container { flex-direction: column; }
    .login-left { flex: none; padding: 2rem; min-height: 200px; }
    .brand-content h1 { font-size: 2rem; }
    .tagline, .features { display: none; }
    .login-footer-left { display: none; }
    .login-right { padding: 2rem; }
}