:root {
    --accent: #22d3ee;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    z-index: 1000;
}

.skip-link:focus {
    left: 16px;
    top: 16px;
    width: auto;
    height: auto;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(2, 6, 23, 0.92);
    color: #e2e8f0;
    border: 1px solid rgba(34, 211, 238, 0.45);
}

/* Background: SVG art + readable vignette */
.bg-art {
    position: fixed;
    inset: 0;
    background-image: url('/static/home/img/ai_studio_code3.svg');
    background-size: cover;
    background-position: center;
    filter: saturate(1.05);
    opacity: 0.95;
    pointer-events: none;
    user-select: none;
}

.bg-vignette {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 600px at 20% 15%, rgba(34, 211, 238, 0.18), rgba(0,0,0,0) 55%),
        radial-gradient(900px 700px at 80% 85%, rgba(167, 139, 250, 0.16), rgba(0,0,0,0) 55%),
        linear-gradient(to bottom, rgba(2,6,23,0.35), rgba(2,6,23,0.82));
    pointer-events: none;
    user-select: none;
}

/* Home page only: cleaner cyan-forward treatment */
.home-page {
    background:
        radial-gradient(1200px 700px at 12% 10%, rgba(165, 243, 252, 0.56), rgba(34, 211, 238, 0.36) 52%, rgba(14, 116, 144, 0.34) 100%),
        linear-gradient(180deg, #22d3ee 0%, #0891b2 52%, #0b5f79 100%);
}

.home-page .bg-art {
    opacity: 0.12;
    filter: saturate(0.75) contrast(0.95);
}

.home-page .bg-vignette {
    background:
        radial-gradient(900px 600px at 10% 12%, rgba(224, 247, 255, 0.22), rgba(224, 247, 255, 0.03) 45%, rgba(0, 0, 0, 0) 100%),
        radial-gradient(800px 520px at 85% 82%, rgba(6, 182, 212, 0.14), rgba(0, 0, 0, 0) 70%),
        linear-gradient(to bottom, rgba(8, 47, 73, 0.28), rgba(8, 47, 73, 0.50));
}

/* Glass primitives (small, reusable) */
.glass {
    background: rgba(2, 6, 23, 0.45);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.glass-card {
    border-radius: 22px;
    background: rgba(2, 6, 23, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 14px 50px rgba(0, 0, 0, 0.55);
    animation: riseIn 420ms ease-out both;
}

.home-page .glass-card {
    background: rgba(7, 33, 51, 0.62);
    border: 1px solid rgba(165, 243, 252, 0.54);
    box-shadow:
        0 18px 52px rgba(4, 20, 31, 0.42),
        inset 0 1px 0 rgba(224, 247, 255, 0.18);
}

@keyframes riseIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.feature {
    border-radius: 16px;
    padding: 14px 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.home-page .feature {
    border-color: rgba(165, 243, 252, 0.45);
    background: rgba(8, 145, 178, 0.16);
}

.home-page .label {
    color: rgba(224, 247, 255, 0.86);
}

.feature-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0;
}

.feature-body {
    margin-top: 6px;
    font-size: 0.875rem;
    color: rgba(226, 232, 240, 0.78);
}

.plan-card {
    position: relative;
}

.plan-card.is-recommended {
    border-color: rgba(34, 211, 238, 0.35) !important;
    box-shadow:
        0 14px 50px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(34, 211, 238, 0.18),
        0 0 38px rgba(34, 211, 238, 0.12);
}

.plan-card.is-recommended::after {
    content: "Recommended";
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.12);
    border: 1px solid rgba(34, 211, 238, 0.22);
    color: rgba(165, 243, 252, 0.95);
}

.label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(226, 232, 240, 0.78);
    margin-bottom: 6px;
}

.input {
    width: 100%;
    border-radius: 12px;
    min-height: 46px;
    padding: 11px 12px;
    font-size: 0.95rem;
    color: rgba(248, 250, 252, 0.98);
    background: linear-gradient(
        180deg,
        rgba(30, 41, 59, 0.72),
        rgba(15, 23, 42, 0.90)
    );
    border: 1px solid rgba(148, 163, 184, 0.50);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.10),
        inset 0 -1px 0 rgba(15, 23, 42, 0.65),
        0 6px 16px rgba(2, 6, 23, 0.24);
    outline: none;
    caret-color: rgba(34, 211, 238, 0.95);
    transition: border-color 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

.input::placeholder {
    color: rgba(203, 213, 225, 0.42);
    font-style: italic;
    font-weight: 400;
}

.input:hover {
    border-color: rgba(148, 163, 184, 0.64);
}

.input:focus {
    border-color: rgba(34, 211, 238, 0.88);
    background: rgba(2, 6, 23, 0.92);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.16),
        0 0 0 3px rgba(34, 211, 238, 0.22),
        0 10px 24px rgba(2, 6, 23, 0.34);
}

.input:disabled {
    cursor: not-allowed;
    color: rgba(148, 163, 184, 0.82);
    background: rgba(15, 23, 42, 0.56);
    border-color: rgba(148, 163, 184, 0.25);
    opacity: 0.9;
}

.home-page .input {
    color: rgba(8, 47, 73, 0.98);
    background: linear-gradient(180deg, rgba(250, 254, 255, 0.98), rgba(224, 247, 255, 0.98));
    border: 1px solid rgba(8, 145, 178, 0.62);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(165, 243, 252, 0.30),
        0 3px 10px rgba(6, 56, 74, 0.22);
    caret-color: rgba(14, 116, 144, 0.95);
}

.home-page .input::placeholder {
    color: rgba(14, 116, 144, 0.62);
    font-style: normal;
}

.home-page .input:hover {
    border-color: rgba(14, 116, 144, 0.78);
}

.home-page .input:focus {
    border-color: rgba(14, 116, 144, 0.96);
    background: rgba(255, 255, 255, 0.98);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.96),
        0 0 0 3px rgba(6, 182, 212, 0.34),
        0 9px 18px rgba(8, 47, 73, 0.28);
}

.code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85em;
    padding: 0.12rem 0.4rem;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: rgba(165, 243, 252, 0.95);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
    user-select: none;
}

.btn:hover {
    transform: translateY(-1px);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid rgba(34, 211, 238, 0.85);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.95), rgba(14, 165, 233, 0.95));
    border-color: rgba(34, 211, 238, 0.35);
    color: rgba(2, 6, 23, 0.95);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.98), rgba(56, 189, 248, 0.98));
}

.btn-secondary {
    background: rgba(255,255,255,0.06);
    color: rgba(248,250,252,0.92);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.09);
    border-color: rgba(255,255,255,0.18);
}

.home-page .btn-secondary {
    background: rgba(8, 145, 178, 0.28);
    color: rgba(236, 253, 255, 0.98);
    border-color: rgba(165, 243, 252, 0.54);
}

.home-page .btn-secondary:hover {
    background: rgba(8, 145, 178, 0.40);
    border-color: rgba(165, 243, 252, 0.74);
}

/* Toast */
.toast {
    max-width: 380px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(2, 6, 23, 0.70);
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    color: rgba(248,250,252,0.92);
    animation: toastIn 240ms ease-out both;
}

.toast.hiding {
    animation: toastOut 240ms ease-out both;
}

.toast.info { border-left: 4px solid rgba(34, 211, 238, 0.8); }
.toast.error { border-left: 4px solid rgba(248, 113, 113, 0.9); }
.toast.success { border-left: 4px solid rgba(34, 197, 94, 0.9); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(18px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(18px); }
}