/* ============================================================
   WafX Security — Error Pages Stylesheet
   Theme: dark navy · emerald-green accent (#10b981)
   ============================================================ */

:root {
    --accent:          #10b981;
    --bg:              #0f172a;
    --card:            rgba(17, 24, 39, 0.92);
    --text:            #f8fafc;
    --text-secondary:  #94a3b8;
    --border:          rgba(255, 255, 255, 0.07);
}

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

html, body { height: 100%; }

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 10% 15%,
            rgba(16, 185, 129, 0.13) 0%,
            transparent 60%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: cover, 50px 50px, 50px 50px;
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1.25rem;
}

/* ── Brand bar ───────────────────────────── */
.brand-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.75rem;
    animation: fadeSlideDown 0.5s 0.05s cubic-bezier(.16, 1, .3, 1) both;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.45);
    color: #fff;
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: #f8fafc;
    letter-spacing: -0.4px;
}
.brand-name em {
    font-style: normal;
    color: #10b981;
}

/* ── Card ────────────────────────────────── */
.error-card {
    background: var(--card);
    backdrop-filter: blur(32px);
    -webkit-backdrop-filter: blur(32px);
    border: 1px solid var(--border);
    border-top-color: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.75rem 2.5rem 2.25rem;
    max-width: 460px;
    width: 100%;
    text-align: center;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.3),
        0 32px 64px -20px rgba(0, 0, 0, 0.75),
        inset 0 1px 0 rgba(255, 255, 255, 0.065);
    animation: cardRise 0.6s 0.1s cubic-bezier(.16, 1, .3, 1) both;
}

@keyframes cardRise {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0);    }
}
@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0);     }
}

/* ── Error icon ──────────────────────────── */
.error-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin: 0 auto 1.5rem;
    position: relative;
}
.error-icon svg { width: 34px; height: 34px; }
.error-icon::after {
    content: '';
    position: absolute;
    inset: -7px;
    border-radius: 27px;
    border: 1px solid var(--accent);
    opacity: 0;
    animation: iconPulse 2.5s ease-out infinite;
}
@keyframes iconPulse {
    0%   { opacity: 0.5; transform: scale(1);    }
    100% { opacity: 0;   transform: scale(1.18); }
}

/* ── Status badge ────────────────────────── */
.error-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: color-mix(in srgb, var(--accent) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}
.badge-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    animation: dotBlink 2s ease-in-out infinite;
}
@keyframes dotBlink {
    0%, 100% { opacity: 1;   }
    50%       { opacity: 0.2; }
}

/* ── Typography ──────────────────────────── */
.error-code {
    font-size: 4.25rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    background: linear-gradient(160deg, #f8fafc 30%, #475569 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.3rem;
}
.error-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 0.6rem;
}
.error-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
}

/* ── Separator ───────────────────────────── */
.card-sep {
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.07) 30%,
        rgba(255, 255, 255, 0.07) 70%,
        transparent);
    margin: 0 0 1.75rem;
}

/* ── Buttons ─────────────────────────────── */
.error-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0.65rem 1.5rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.55);
}
.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.09);
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

/* ── Footer ──────────────────────────────── */
.error-footer {
    margin-top: 2rem;
    font-size: 0.72rem;
    color: #334155;
    text-align: center;
    animation: fadeSlideDown 0.5s 0.35s cubic-bezier(.16, 1, .3, 1) both;
}
.error-footer strong { color: #475569; }

/* ── Responsive ──────────────────────────── */
@media (max-width: 480px) {
    .error-card {
        padding: 2rem 1.25rem 1.75rem;
        border-radius: 18px;
    }
    .error-code  { font-size: 3.25rem; }
    .error-title { font-size: 1rem; }
}