/* ==========================================================================
   xyhelper-nav — shared design tokens, reset and common components.
   Loaded by both the public navigation page and the administration panel.
   ========================================================================== */

:root {
    /* Accent is overwritten at runtime from the site settings. */
    --accent: #6366f1;
    --accent-2: #8b5cf6;
    --accent-soft: rgba(99, 102, 241, 0.14);

    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 2px rgba(2, 6, 23, 0.06);
    --shadow: 0 10px 30px -12px rgba(2, 6, 23, 0.25);
    --shadow-lg: 0 30px 60px -25px rgba(2, 6, 23, 0.45);

    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --speed: 0.22s;

    --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* --- Dark theme (default) ------------------------------------------------- */
[data-theme="dark"] {
    --bg: #070b18;
    --bg-2: #0b1122;
    --surface: rgba(255, 255, 255, 0.045);
    --surface-2: rgba(255, 255, 255, 0.07);
    --surface-solid: #121a2e;
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #eaeefb;
    --text-dim: #9aa5c4;
    --text-faint: #64708f;
    --danger: #f87171;
    --success: #4ade80;
    --warning: #fbbf24;
    --scrim: rgba(4, 8, 20, 0.72);
}

/* --- Light theme ---------------------------------------------------------- */
[data-theme="light"] {
    --bg: #f4f6fc;
    --bg-2: #eaeefb;
    --surface: rgba(255, 255, 255, 0.86);
    --surface-2: rgba(255, 255, 255, 1);
    --surface-solid: #ffffff;
    --border: rgba(15, 23, 42, 0.09);
    --border-strong: rgba(15, 23, 42, 0.18);
    --text: #101728;
    --text-dim: #5a6685;
    --text-faint: #8e97ad;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --scrim: rgba(15, 23, 42, 0.45);
    --shadow: 0 10px 30px -14px rgba(15, 23, 42, 0.22);
    --shadow-lg: 0 30px 60px -30px rgba(15, 23, 42, 0.3);
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
    color: inherit;
    cursor: pointer;
}

img {
    display: block;
    max-width: 100%;
}

h1, h2, h3, h4, p {
    margin: 0;
}

::selection {
    background: var(--accent);
    color: #fff;
}

/* --- Ambient background --------------------------------------------------- */
.ambient {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background:
        radial-gradient(900px 500px at 12% -8%, var(--accent-soft), transparent 60%),
        radial-gradient(800px 500px at 92% 4%, rgba(139, 92, 246, 0.13), transparent 62%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.ambient::before,
.ambient::after {
    content: "";
    position: absolute;
    width: 46vw;
    height: 46vw;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
    animation: float 22s var(--ease) infinite alternate;
}

.ambient::before {
    top: -14vw;
    left: -8vw;
    background: radial-gradient(circle, var(--accent), transparent 68%);
}

.ambient::after {
    bottom: -18vw;
    right: -10vw;
    background: radial-gradient(circle, var(--accent-2), transparent 68%);
    animation-delay: -8s;
}

@keyframes float {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(4vw, 5vh, 0) scale(1.14); }
}

@media (prefers-reduced-motion: reduce) {
    .ambient::before,
    .ambient::after {
        animation: none;
    }
    * {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

/* --- Buttons -------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: background var(--speed) var(--ease), border-color var(--speed) var(--ease),
        transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}

.btn:hover {
    background: var(--surface-2);
    border-color: var(--border-strong);
}

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

.btn-primary {
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
    box-shadow: 0 8px 20px -10px var(--accent);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    filter: brightness(1.08);
}

.btn-danger {
    color: var(--danger);
    border-color: color-mix(in srgb, var(--danger) 35%, transparent);
}

.btn-danger:hover {
    background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.btn-icon {
    width: 40px;
    padding: 0;
}

.btn-sm {
    height: 32px;
    padding: 0 12px;
    font-size: 13px;
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.icon {
    width: 18px;
    height: 18px;
    flex: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

/* --- Forms ---------------------------------------------------------------- */
.field {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 16px;
}

.field > label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
}

.field .hint {
    font-size: 12px;
    color: var(--text-faint);
}

.input,
.select,
.textarea {
    width: 100%;
    min-height: 42px;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    color: var(--text);
    font: inherit;
    transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}

.textarea {
    min-height: 92px;
    resize: vertical;
}

.input::placeholder,
.textarea::placeholder {
    color: var(--text-faint);
}

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-faint) 50%),
        linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);
    background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 34px;
    cursor: pointer;
}

/* --- Toast ---------------------------------------------------------------- */
.toast-host {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 220px;
    max-width: 360px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-solid);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    animation: toast-in 0.28s var(--ease);
}

.toast.is-out {
    animation: toast-out 0.24s var(--ease) forwards;
}

.toast::before {
    content: "";
    width: 4px;
    align-self: stretch;
    border-radius: 4px;
    background: var(--accent);
}

.toast.success::before { background: var(--success); }
.toast.error::before   { background: var(--danger); }
.toast.warning::before { background: var(--warning); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(14px) scale(0.97); }
    to   { opacity: 1; transform: none; }
}

@keyframes toast-out {
    to { opacity: 0; transform: translateY(10px) scale(0.97); }
}

/* --- Modal ---------------------------------------------------------------- */
.modal-mask {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--scrim);
    backdrop-filter: blur(6px);
}

.modal-mask.is-open {
    display: flex;
    animation: fade-in 0.2s var(--ease);
}

.modal {
    width: 100%;
    max-width: 560px;
    max-height: 88vh;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-solid);
    box-shadow: var(--shadow-lg);
    animation: modal-in 0.28s var(--ease);
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}

.modal-head h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-body {
    padding: 20px 22px 4px;
}

.modal-foot {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 22px 20px;
}

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(16px) scale(0.98); }
    to   { opacity: 1; transform: none; }
}

/* --- Misc ----------------------------------------------------------------- */
.empty {
    padding: 56px 20px;
    text-align: center;
    color: var(--text-faint);
}

.empty .icon {
    width: 34px;
    height: 34px;
    margin: 0 auto 12px;
    opacity: 0.6;
}

.badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
}

.badge.on {
    color: var(--success);
    border-color: color-mix(in srgb, var(--success) 30%, transparent);
    background: color-mix(in srgb, var(--success) 12%, transparent);
}

.badge.off {
    color: var(--text-faint);
}

.badge.warn {
    color: var(--warning);
    border-color: color-mix(in srgb, var(--warning) 32%, transparent);
    background: color-mix(in srgb, var(--warning) 12%, transparent);
}

.badge .icon {
    width: 12px;
    height: 12px;
    stroke-width: 2.2;
}

.skeleton {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface);
}

.skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, var(--surface-2), transparent);
    animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
    to { transform: translateX(100%); }
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    border: 3px solid transparent;
    border-radius: 999px;
    background-clip: content-box;
    background-color: var(--border-strong);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-faint);
}