/* =====================================================
   TFCS Auth Pages — Professional Design System
   Aligned with portal dashboard.css design tokens
   ===================================================== */

:root {
    --primary-color: #0f6e3f;
    --primary-dark:  #0a4d2a;
    --primary-700:   #0c5c34;
    --primary-50:    #e8f5ee;
    --primary-100:   #d1ecdc;

    --color-info:    #0369a1;
    --color-warning: #b45309;
    --color-warning-dark: #92400e;
    --color-danger:  #b91c1c;
    --color-danger-dark:  #991b1b;
    --color-success: #15803d;
    --color-success-dark: #166534;
    --color-neutral: #475569;
    --color-neutral-dark: #334155;

    --bg-app:        #f1f5f9;
    --bg-surface:    #ffffff;
    --bg-muted:      #f8fafc;
    --text-primary:  #0f172a;
    --text-secondary:#334155;
    --text-muted:    #64748b;
    --border-color:  #cbd5e1;
    --border-strong: #94a3b8;

    --brand-bg-deep: #082c19;
    --brand-bg:      #0b3b22;
    --brand-accent:  #fbbf24;

    --radius-sm: 2px;
    --radius:    3px;
    --shadow-sm: 0 1px 2px rgba(15,23,42,0.06);
    --shadow:    0 1px 3px rgba(15,23,42,0.08), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md: 0 4px 6px -1px rgba(15,23,42,0.08), 0 2px 4px -2px rgba(15,23,42,0.05);
    --shadow-lg: 0 18px 40px -12px rgba(8,44,25,0.25), 0 6px 14px -6px rgba(15,23,42,0.12);
}

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

html, body { height: 100%; }

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-app);
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* =====================================================
   Layout — split-panel desktop, stacked mobile
   ===================================================== */
.auth-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.auth-brand {
    position: relative;
    background:
        radial-gradient(circle at 20% 20%, rgba(251,191,36,0.12), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.06), transparent 45%),
        linear-gradient(160deg, var(--brand-bg) 0%, var(--brand-bg-deep) 100%);
    color: #ffffff;
    padding: 56px 56px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    border-right: 4px solid var(--brand-accent);
}

.auth-brand::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    opacity: 0.6;
}

.auth-brand > * { position: relative; z-index: 1; }

.auth-brand-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.auth-brand-logo .logo-mark {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background-color: rgba(255,255,255,0.08);
    border: 2px solid rgba(251,191,36,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-accent);
    font-size: 1.5rem;
}

.auth-brand-content { max-width: 440px; }

.auth-brand-content h1 {
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.auth-brand-content p {
    color: rgba(255,255,255,0.78);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.auth-brand-list {
    list-style: none;
    padding: 0;
    margin: 24px 0 0;
}

.auth-brand-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem;
}

.auth-brand-list li i {
    color: var(--brand-accent);
    font-size: 1.05rem;
    flex-shrink: 0;
}

.auth-brand-footer {
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.auth-brand-footer a {
    color: var(--brand-accent);
    text-decoration: none;
    font-weight: 600;
}

.auth-brand-footer a:hover { text-decoration: underline; }

/* Form panel */
.auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background-color: var(--bg-surface);
}

.auth-card {
    width: 100%;
    max-width: 440px;
}

.auth-card-header { margin-bottom: 28px; }

.auth-card-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background-color: var(--primary-50);
    border: 1px solid var(--primary-100);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
}

.auth-card-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.auth-card-subtitle {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.5;
}

/* =====================================================
   Form fields — sharp 2px borders
   ===================================================== */
.auth-form .form-group { margin-bottom: 16px; }

.auth-form label,
.auth-form .form-label {
    display: block;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.auth-form .form-control,
.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="tel"],
.auth-form input[type="number"] {
    width: 100%;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 11px 14px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: var(--bg-surface);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    font-family: inherit;
    line-height: 1.4;
    margin: 0;
}

.auth-form .form-control::placeholder { color: var(--text-muted); }

.auth-form .form-control:focus,
.auth-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15,110,63,0.15);
    outline: none;
    background-color: var(--bg-surface);
}

.auth-form .form-control.is-invalid {
    border-color: var(--color-danger);
    background-color: #fef2f2;
}

.auth-form .form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(185,28,28,0.15);
}

.auth-form .invalid-feedback {
    display: block;
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 5px;
    font-weight: 500;
}

.auth-form .form-hint {
    color: var(--text-muted);
    font-size: 0.78rem;
    margin-top: 5px;
    line-height: 1.4;
}

/* Input with leading icon */
.auth-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.auth-input-group .auth-input-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
    z-index: 2;
}

.auth-form .auth-input-group .form-control,
.auth-form .auth-input-group input[type="text"],
.auth-form .auth-input-group input[type="email"],
.auth-form .auth-input-group input[type="password"],
.auth-form .auth-input-group input[type="tel"],
.auth-form .auth-input-group input[type="number"] {
    padding-left: 44px;
}

.auth-input-group:focus-within .auth-input-icon { color: var(--primary-color); }

/* Checkbox */
.auth-form .form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 16px 0;
}

.auth-form .form-check-input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface);
    cursor: pointer;
    margin: 0;
    flex-shrink: 0;
    margin-top: 1px;
    position: relative;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.auth-form .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.auth-form .form-check-input:checked::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 0px;
    width: 5px;
    height: 10px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.auth-form .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(15,110,63,0.15);
    outline: none;
}

.auth-form .form-check-label {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    cursor: pointer;
}

.auth-form .form-check-label a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-form .form-check-label a:hover { text-decoration: underline; }

/* =====================================================
   Buttons — sharp borders, action-coded
   ===================================================== */
.auth-form .btn,
.auth-actions .btn {
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    padding: 11px 18px;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.05s ease;
    line-height: 1.4;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    cursor: pointer;
    font-family: inherit;
}

.auth-form .btn:focus,
.auth-actions .btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(15,110,63,0.20);
}

.auth-form .btn:active,
.auth-actions .btn:active { transform: translateY(1px); }

.auth-form .btn-block { width: 100%; }

.auth-form .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}
.auth-form .btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #ffffff;
}

.auth-form .btn-secondary,
.auth-actions .btn-secondary {
    background-color: var(--bg-surface);
    border-color: var(--border-strong);
    color: var(--text-secondary);
}
.auth-form .btn-secondary:hover,
.auth-actions .btn-secondary:hover {
    background-color: var(--bg-muted);
    border-color: var(--color-neutral);
    color: var(--color-neutral-dark);
}

.auth-form .btn-danger,
.auth-actions .btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}
.auth-form .btn-danger:hover,
.auth-actions .btn-danger:hover {
    background-color: var(--color-danger-dark);
    border-color: var(--color-danger-dark);
    color: #ffffff;
}

/* Form row — extras like "Remember me" + "Forgot password?" */
.auth-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 18px;
}

.auth-form-row a {
    color: var(--primary-color);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
}

.auth-form-row a:hover { text-decoration: underline; }

/* Action button cluster */
.auth-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 18px;
}

.auth-actions .btn { flex: 1; min-width: 0; }

/* =====================================================
   Alerts
   ===================================================== */
.auth-alert {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    border-left: 4px solid transparent;
    padding: 12px 14px;
    font-size: 0.88rem;
    margin-bottom: 18px;
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.auth-alert i { font-size: 1.05rem; flex-shrink: 0; margin-top: 1px; }

.auth-alert-success {
    background-color: #dcfce7;
    border-color: #bbf7d0;
    border-left-color: var(--color-success);
    color: var(--color-success-dark);
}

.auth-alert-info {
    background-color: #e0f2fe;
    border-color: #bae6fd;
    border-left-color: var(--color-info);
    color: #075985;
}

.auth-alert-warning {
    background-color: #fef3c7;
    border-color: #fde68a;
    border-left-color: var(--color-warning);
    color: var(--color-warning-dark);
}

.auth-alert-danger {
    background-color: #fee2e2;
    border-color: #fecaca;
    border-left-color: var(--color-danger);
    color: var(--color-danger-dark);
}

/* =====================================================
   Card footer (e.g. "Already have an account?")
   ===================================================== */
.auth-card-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.auth-card-footer a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
}

.auth-card-footer a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* =====================================================
   Responsive — collapse to single column on mobile
   ===================================================== */
@media (max-width: 992px) {
    .auth-shell { grid-template-columns: 1fr; }

    .auth-brand {
        padding: 32px 28px 28px;
        border-right: none;
        border-bottom: 4px solid var(--brand-accent);
        min-height: auto;
    }

    .auth-brand-content h1 { font-size: 1.55rem; margin-bottom: 8px; }
    .auth-brand-content p { font-size: 0.92rem; margin-bottom: 0; }
    .auth-brand-list { display: none; }
    .auth-brand-footer { display: none; }
    .auth-brand-logo { font-size: 1.2rem; margin-bottom: 18px; }

    .auth-panel { padding: 32px 20px; align-items: flex-start; }
}

@media (max-width: 576px) {
    .auth-brand { padding: 24px 20px; }
    .auth-panel  { padding: 24px 16px; }
    .auth-card-title { font-size: 1.4rem; }
    .auth-form .btn { padding: 10px 14px; font-size: 0.88rem; }
}