/* ============================================================
   SafeSale/wwwroot/css/login.css
   Login page styles — two-panel layout.
   Import in app.css or link directly in App.razor.
   Supports light and dark mode via CSS variables.
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
    --ss-primary:          #FF6B35;
    --ss-primary-dark:     #E55A2B;
    /* QA-FIX (QA-26): #FF6B35 on white is 2.84:1 — below WCAG AA (4.5:1) for
       button text and links. The brand orange stays for accents/borders; text
       and filled buttons use a deeper shade that passes (4.89:1). */
    --ss-primary-strong:        #C84414;
    --ss-primary-strong-hover:  #A8390F;
    --ss-link:                  #C84414;
    --ss-primary-light:    rgba(255,107,53,0.1);
    --ss-accent:           #FF6B35;
    --ss-success:          #16A34A;
    --ss-danger:           #DC2626;
    --ss-warning:          #D97706;

    --ss-background:       #F8FAFC;
    --ss-surface:          #FFFFFF;
    --ss-border:           #E2E8F0;
    --ss-text:             #0F172A;
    --ss-text-muted:       #64748B;
    --ss-text-inverse:     #FFFFFF;

    --ss-left-bg:          #1e293b;
    --ss-left-text:        rgba(255,255,255,0.9);
    --ss-left-muted:       rgba(255,255,255,0.65);
    --ss-left-border:      rgba(255,255,255,0.15);

    --ss-radius:           10px;
    --ss-radius-sm:        6px;
    --ss-shadow:           0 4px 24px rgba(0,0,0,0.08);
    --ss-shadow-md:        0 8px 32px rgba(0,0,0,0.12);
}

html.dark-mode {
    --ss-link:             #FF8A5C;   /* QA-26: light orange reads well on dark */
    --ss-background:       #0F172A;
    --ss-surface:          #1E293B;
    --ss-border:           #334155;
    --ss-text:             #F1F5F9;
    --ss-text-muted:       #94A3B8;
    --ss-left-bg:          #0F172A;
    --ss-primary-light:    rgba(255,107,53,0.15);
}

/* ── Layout ────────────────────────────────────────────────── */
.ss-login-wrap {
    display: flex;
    min-height: 100vh;
}

/* ── Left panel — branding ─────────────────────────────────── */
.ss-login-left {
    flex: 0 0 420px;
    background: var(--ss-left-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 3.5rem;
    position: relative;
    overflow: hidden;
}

.ss-login-left::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(37,99,235,0.15);
    pointer-events: none;
}

.ss-login-left::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(14,165,233,0.1);
    pointer-events: none;
}

/* Brand */
.ss-brand {
    margin-bottom: 2.5rem;
}

.ss-logo {
    width: 56px;
    height: 56px;
    filter: brightness(0) invert(1);
    margin-bottom: 1rem;
    display: block;
}

.ss-brand-name {
    font-size: 2rem;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 0.25rem;
    letter-spacing: -0.5px;
}

.ss-brand-tagline {
    color: var(--ss-left-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Feature list */
.ss-feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ss-feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--ss-left-text);
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    border-radius: var(--ss-radius-sm);
    background: var(--ss-left-border);
    backdrop-filter: blur(4px);
}

.ss-feature-list li i {
    color: var(--ss-accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Footer */
.ss-brand-footer {
    margin-top: 2.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ss-version-badge {
    background: rgba(37,99,235,0.3);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ss-brand-tagline-sm {
    color: var(--ss-left-muted);
    font-size: 0.75rem;
}

/* ── Right panel — form ─────────────────────────────────────── */
.ss-login-right {
    flex: 1;
    background: var(--ss-background);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.ss-form-wrapper {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ss-form-header {
    margin-bottom: 2rem;
}

.ss-form-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ss-text);
    margin: 0 0 0.4rem;
}

.ss-form-sub {
    color: var(--ss-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ── Form fields ────────────────────────────────────────────── */
.ss-field {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.ss-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ss-text);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.ss-input {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--ss-border);
    border-radius: var(--ss-radius-sm);
    background: var(--ss-surface);
    color: var(--ss-text);
    font-size: 0.925rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
    outline: none;
}

.ss-input:focus {
    border-color: var(--ss-primary);
    box-shadow: 0 0 0 3px var(--ss-primary-light);
}

.ss-input-error {
    border-color: var(--ss-danger);
}

.ss-input-error:focus {
    box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
}

.ss-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.ss-input-group {
    position: relative;
    display: flex;
}

.ss-input-group .ss-input {
    padding-right: 2.8rem;
}

.ss-input-addon {
    position: absolute;
    right: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.2rem;
    cursor: pointer;
    color: var(--ss-text-muted);
    line-height: 1;
}

.ss-field-error {
    font-size: 0.78rem;
    color: var(--ss-danger);
}

/* ── Login meta row ─────────────────────────────────────────── */
.ss-login-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.ss-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--ss-text-muted);
    cursor: pointer;
}

.ss-checkbox {
    accent-color: var(--ss-primary);
    width: 15px;
    height: 15px;
}

.ss-link-sm {
    font-size: 0.875rem;
    color: var(--ss-link);
    text-decoration: none;
}

.ss-link-sm:hover {
    text-decoration: underline;
}

/* ── Primary button ─────────────────────────────────────────── */
.ss-btn-primary {
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: var(--ss-primary-strong);
    color: #FFFFFF;
    border: none;
    border-radius: var(--ss-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.15s, box-shadow 0.15s;
}

.ss-btn-primary:hover:not(:disabled) {
    background: var(--ss-primary-strong-hover);
    box-shadow: 0 4px 12px rgba(37,99,235,0.35);
}

.ss-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ── Alert ──────────────────────────────────────────────────── */
.ss-alert {
    padding: 0.75rem 1rem;
    border-radius: var(--ss-radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
}

.ss-alert-error {
    background: rgba(220,38,38,0.08);
    border: 1px solid rgba(220,38,38,0.3);
    color: var(--ss-danger);
}

/* ── Spinner ────────────────────────────────────────────────── */
.ss-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: ss-spin 0.7s linear infinite;
    flex-shrink: 0;
}

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

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .ss-login-wrap {
        flex-direction: column;
    }

    .ss-login-left {
        flex: 0 0 auto;
        padding: 2rem;
    }

    .ss-feature-list {
        display: none;
    }

    .ss-login-right {
        padding: 2rem 1.5rem;
    }
}