@font-face {
    font-family: "MiSans";
    src: url("../assets/font/MiSans/woff2/MiSans-Regular.woff2") format("woff2");
    font-weight: 300 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "MiSans";
    src: url("../assets/font/MiSans/woff2/MiSans-Bold.woff2") format("woff2");
    font-weight: 700 900;
    font-style: normal;
    font-display: swap;
}

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

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--color-bg-deep);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    color: var(--color-text);
    background:
        radial-gradient(circle at 18% -10%, rgba(66, 119, 255, 0.18), transparent 32rem),
        radial-gradient(circle at 92% 18%, rgba(73, 208, 255, 0.09), transparent 28rem),
        linear-gradient(150deg, #0a101b 0%, #070b12 46%, #0a111d 100%);
    font-family: "MiSans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

button, input { font: inherit; }
button { color: inherit; }
button, [role="button"] { -webkit-tap-highlight-color: transparent; }
button:not(:disabled), [role="button"] { cursor: pointer; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }

::selection { color: #fff; background: rgba(64, 120, 255, 0.55); }

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.eyebrow {
    color: var(--color-accent);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    line-height: 1.2;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--color-border-strong);
    border-radius: 13px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.14), 0 10px 30px rgba(0, 0, 0, 0.22);
}

.brand-mark img { width: 23px; height: 23px; object-fit: contain; }

/* Secure sign-in */
.login-page {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    min-height: 100dvh;
    place-items: center;
    padding: max(24px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    overflow: auto;
    background:
        radial-gradient(circle at 22% 20%, rgba(53, 112, 255, 0.25), transparent 28rem),
        radial-gradient(circle at 85% 80%, rgba(62, 210, 255, 0.1), transparent 26rem),
        #070b12;
    transition: opacity 320ms ease, visibility 320ms ease;
}

.login-page.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.login-ambient {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.login-shell {
    position: relative;
    display: grid;
    width: min(1080px, 100%);
    min-height: 650px;
    grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 38px;
    background: rgba(10, 16, 27, 0.72);
    box-shadow: 0 40px 120px rgba(0, 0, 0, 0.48);
    backdrop-filter: blur(28px) saturate(130%);
}

.login-shell::before {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.055), transparent 36%);
    content: "";
    pointer-events: none;
}

.login-intro {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    padding: clamp(36px, 6vw, 72px);
    overflow: hidden;
    border-right: 1px solid var(--color-border);
}

.login-intro::before {
    position: absolute;
    width: 470px;
    height: 470px;
    top: 4%;
    right: -16%;
    border: 1px solid rgba(116, 161, 255, 0.24);
    border-radius: 50%;
    background: radial-gradient(circle at 38% 36%, rgba(99, 151, 255, 0.34), rgba(21, 49, 91, 0.08) 46%, transparent 70%);
    box-shadow: inset 0 0 80px rgba(85, 145, 255, 0.08), 0 0 100px rgba(38, 100, 255, 0.08);
    content: "";
    filter: blur(0.2px);
}

.login-intro .brand-lockup { position: absolute; top: clamp(30px, 5vw, 56px); left: clamp(36px, 6vw, 72px); }
.login-intro .eyebrow, .login-intro h1, .login-lead, .security-note { position: relative; z-index: 1; }

.login-intro h1 {
    max-width: 600px;
    margin-top: 1rem;
    font-size: clamp(2.5rem, 5vw, 4.8rem);
    font-weight: 500;
    letter-spacing: -0.055em;
    line-height: 1.08;
}

.login-lead {
    max-width: 460px;
    margin-top: 1.4rem;
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.85;
}

.security-note {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-top: 2rem;
    color: var(--color-text-secondary);
    font-size: 0.78rem;
}

.security-note span {
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border-radius: 50%;
    color: #05130e;
    background: var(--color-success);
    font-weight: 900;
}

.login-container {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    padding: clamp(34px, 5vw, 64px);
    background: rgba(12, 19, 31, 0.74);
}

.login-logo {
    display: none;
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
    place-items: center;
    border: 1px solid var(--color-border-strong);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.06);
}

.login-logo img { width: 32px; height: 32px; object-fit: contain; }
.login-title { margin-top: 0.65rem; font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 650; letter-spacing: -0.04em; }
.login-subtitle { margin-top: 0.6rem; color: var(--color-text-secondary); font-size: 0.9rem; }
.login-form { display: grid; gap: 1rem; margin-top: 2.25rem; }

.input-group { position: relative; display: block; }
.input-label { display: block; margin-bottom: 0.5rem; color: var(--color-text-secondary); font-size: 0.75rem; font-weight: 600; }
.input-icon { position: absolute; left: 1rem; bottom: 16px; display: grid; width: 20px; height: 20px; place-items: center; opacity: 0.62; pointer-events: none; }
.input-icon img { width: 18px; height: 18px; object-fit: contain; }

.login-input {
    width: 100%;
    height: 54px;
    padding: 0 1rem 0 3rem;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    outline: 0;
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.045);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.login-input:hover { background: rgba(255, 255, 255, 0.065); }
.login-input:focus { border-color: rgba(96, 220, 255, 0.58); background: rgba(255, 255, 255, 0.075); box-shadow: 0 0 0 4px rgba(96, 220, 255, 0.09); }
.login-input::placeholder { color: var(--color-text-tertiary); }

.send-code-btn {
    position: absolute;
    right: 8px;
    bottom: 8px;
    height: 38px;
    padding: 0 0.8rem;
    border: 0;
    border-radius: 11px;
    color: #c8d9ff;
    background: rgba(94, 140, 255, 0.14);
    font-size: 0.76rem;
    font-weight: 700;
    transition: background var(--transition), opacity var(--transition);
}

.send-code-btn:hover { background: rgba(94, 140, 255, 0.23); }
.send-code-btn:disabled { cursor: wait; opacity: 0.5; }
.login-error { min-height: 1.25rem; color: #ff96a0; font-size: 0.78rem; }

.login-btn {
    display: flex;
    width: 100%;
    height: 54px;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(110deg, #3c74fb, #6797ff 62%, #59cbe8);
    box-shadow: 0 14px 34px rgba(48, 105, 244, 0.28), inset 0 1px rgba(255, 255, 255, 0.24);
    font-weight: 750;
    transition: transform var(--transition), filter var(--transition), opacity var(--transition);
}

.login-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.login-btn:active { transform: translateY(1px); }
.login-btn:disabled { cursor: wait; filter: grayscale(0.3); opacity: 0.55; }
.login-privacy { margin-top: 1.25rem; color: var(--color-text-tertiary); font-size: 0.7rem; line-height: 1.7; }

/* Main shell */
.app-container { position: relative; width: min(var(--max-width), 100%); min-height: 100dvh; margin: 0 auto; padding: 0 clamp(16px, 3vw, 34px) max(30px, env(safe-area-inset-bottom)); }
.star-canvas { position: fixed; inset: 0 0 auto; z-index: -1; width: 100%; height: 180px; pointer-events: none; opacity: 0.3; }

.header {
    position: relative;
    z-index: 100;
    padding: max(22px, env(safe-area-inset-top)) 0 20px;
    transition: opacity 280ms ease, transform 280ms ease;
}

.header.hidden { opacity: 0; pointer-events: none; transform: translateY(-20px); }
.header-content { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 1rem; }
.header-left { display: flex; min-width: 0; align-items: center; gap: clamp(18px, 3vw, 34px); }
.brand-lockup.compact { flex: 0 0 auto; }
.brand-lockup.compact .brand-mark { width: 34px; height: 34px; border-radius: 11px; }
.brand-lockup.compact .brand-mark img { width: 21px; height: 21px; }
.vehicle-name { max-width: 340px; overflow: hidden; font-size: clamp(1.4rem, 2.7vw, 2.15rem); font-weight: 540; letter-spacing: -0.04em; line-height: 1.12; text-overflow: ellipsis; white-space: nowrap; }
.companion-text { margin-top: 0.3rem; color: var(--color-text-secondary); font-size: 0.76rem; }
.header-right { display: flex; align-items: center; gap: clamp(10px, 2vw, 22px); }

.sync-indicator, .secure-chip, .privacy-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 28px;
    padding: 0 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.68rem;
    white-space: nowrap;
}

.sync-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-success); box-shadow: 0 0 10px var(--color-success); }
.sync-indicator.is-offline .sync-dot { background: var(--color-warning); box-shadow: 0 0 10px rgba(255, 201, 104, 0.7); }
.range-display { display: grid; min-width: 135px; justify-items: end; gap: 0.2rem; }
.range-caption { color: var(--color-text-tertiary); font-size: 0.65rem; }
.range-value-row { display: flex; align-items: baseline; gap: 0.32rem; perspective: 200px; }
.range-value { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 520; letter-spacing: -0.045em; line-height: 1; transform-origin: center; transition: opacity 150ms ease, transform 150ms ease; }
.range-value.flip { opacity: 0; transform: rotateX(90deg); }
.range-unit { color: var(--color-text-secondary); font-size: 0.7rem; }
.range-toggle, .icon-action { display: grid; place-items: center; border: 1px solid var(--color-border); color: var(--color-text-secondary); background: rgba(255, 255, 255, 0.045); transition: background var(--transition), border-color var(--transition), transform var(--transition); }
.range-toggle { width: 22px; height: 22px; margin-left: 0.2rem; border-radius: 8px; }
.range-toggle img { width: 13px; height: 13px; opacity: 0.8; }
.icon-action { width: 40px; height: 40px; border-radius: 13px; font-size: 1.05rem; }
.range-toggle:hover, .icon-action:hover { border-color: var(--color-border-strong); background: rgba(255, 255, 255, 0.08); transform: translateY(-1px); }
.icon-action.is-spinning { animation: spin 800ms linear infinite; }
.fuel-bar-container { width: 100%; height: 3px; overflow: hidden; border-radius: 999px; background: rgba(255, 255, 255, 0.09); }
.fuel-bar { width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--color-accent), var(--color-success)); box-shadow: 0 0 14px rgba(85, 223, 168, 0.45); transition: width 500ms ease; }

.main-content {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(330px, 0.72fr);
    grid-template-areas: "vehicle controls" "info controls" "features car";
    align-items: start;
    gap: clamp(18px, 2.2vw, 28px);
}

.vehicle-viewer-section { grid-area: vehicle; min-width: 0; }
.control-buttons-wrapper { grid-area: controls; }
.info-cards { grid-area: info; }
.feature-list { grid-area: features; }
.car-info-section { grid-area: car; }

.vehicle-viewer-section, .control-buttons-wrapper, .feature-list, .car-info-section {
    position: relative;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(20, 31, 47, 0.78), rgba(11, 18, 29, 0.82));
    box-shadow: var(--shadow-soft), inset 0 1px rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(var(--blur)) saturate(120%);
}

.vehicle-viewer-section { overflow: hidden; }
.control-buttons-wrapper, .feature-list, .car-info-section { padding: clamp(18px, 2.2vw, 26px); }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; }
.section-heading h2 { margin-top: 0.4rem; font-size: 1.22rem; font-weight: 620; letter-spacing: -0.03em; }
.vehicle-heading { padding: clamp(18px, 2.2vw, 26px) clamp(18px, 2.4vw, 30px) 0; }
.viewer-hint { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--color-text-tertiary); font-size: 0.68rem; }

/* Vehicle stage */
.vehicle-viewer {
    position: relative;
    width: 100%;
    min-height: 390px;
    aspect-ratio: 16 / 9.5;
    overflow: hidden;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    cursor: grab;
    isolation: isolate;
}

.vehicle-viewer:active { cursor: grabbing; }
.vehicle-viewer::before { position: absolute; inset: 12% 10% 17%; z-index: -1; border-radius: 50%; background: radial-gradient(ellipse, rgba(80, 132, 255, 0.14), rgba(34, 80, 166, 0.04) 46%, transparent 72%); content: ""; filter: blur(10px); }
.vehicle-aura { position: absolute; left: 50%; bottom: 19%; width: 63%; height: 16%; border-radius: 50%; background: radial-gradient(ellipse, rgba(77, 139, 255, 0.22), transparent 68%); filter: blur(16px); transform: translateX(-50%); pointer-events: none; }
.viewer-container { position: absolute; inset: 0; z-index: 2; overflow: hidden; }
#vehicle-3d { width: 100%; height: 100%; touch-action: pan-y; }

.loading-overlay {
    position: absolute;
    inset: 0;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--color-text-secondary);
    background: rgba(8, 13, 22, 0.44);
    font-size: 0.75rem;
    backdrop-filter: blur(5px);
    transition: opacity 300ms ease, visibility 300ms ease;
}

.loading-overlay.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-ring { width: 22px; height: 22px; border: 2px solid rgba(255, 255, 255, 0.12); border-top-color: var(--color-accent); border-radius: 50%; animation: spin 900ms linear infinite; }

.vehicle-summary {
    position: absolute;
    right: clamp(16px, 2.4vw, 28px);
    bottom: clamp(16px, 2.4vw, 24px);
    left: clamp(16px, 2.4vw, 28px);
    z-index: 5;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    background: rgba(8, 14, 24, 0.62);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(20px) saturate(130%);
    pointer-events: none;
}

.vehicle-summary > div { display: grid; gap: 0.15rem; padding: 0.8rem 1rem; }
.vehicle-summary > div + div { border-left: 1px solid var(--color-border); }
.summary-label { color: var(--color-text-tertiary); font-size: 0.62rem; }
.vehicle-summary strong { font-size: 0.84rem; font-weight: 650; white-space: nowrap; }
.status-good { color: var(--color-success); }

.vehicle-viewer.expanded {
    position: fixed;
    inset: 0;
    z-index: 950;
    width: 100vw;
    max-width: none;
    height: 100dvh;
    min-height: 0;
    aspect-ratio: auto;
    border-radius: 0;
    background: radial-gradient(circle at 50% 40%, #17243a, #080d16 60%);
}

.vehicle-viewer.expanded .vehicle-summary { opacity: 0; }
.control-buttons-wrapper.hidden, .info-cards.hidden, .feature-list.hidden, .car-info-section.hidden { opacity: 0; pointer-events: none; }

/* Detailed live status */
.detail-panel-inline {
    position: fixed;
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    left: max(14px, env(safe-area-inset-left));
    z-index: 1100;
    width: min(720px, calc(100% - 28px));
    margin: 0 auto;
    padding: 10px clamp(16px, 3vw, 26px) 18px;
    overflow: hidden;
    border: 1px solid var(--color-border-strong);
    border-radius: 28px;
    background: rgba(13, 21, 34, 0.86);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(30px) saturate(140%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(28px);
    pointer-events: none;
    transition: opacity 320ms ease, transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 320ms ease;
}

.detail-panel-inline.active { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.detail-panel-handle { width: 38px; height: 4px; margin: 0 auto 10px; border-radius: 9px; background: rgba(255, 255, 255, 0.22); }
.detail-panel-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.detail-panel-title h2 { margin-top: 0.25rem; font-size: 1.05rem; }
.detail-panel-title > span { color: var(--color-text-tertiary); font-size: 0.65rem; }
.detail-slider { display: flex; width: 100%; transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1); touch-action: pan-y; }
.detail-page { min-width: 100%; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.65rem; }

.detail-item {
    display: grid;
    min-width: 0;
    min-height: 68px;
    align-content: center;
    gap: 0.25rem;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 15px;
    color: inherit;
    text-align: left;
    background: rgba(255, 255, 255, 0.045);
}

button.detail-item { transition: background var(--transition), border-color var(--transition), transform var(--transition); }
button.detail-item:hover { border-color: var(--color-border-strong); background: rgba(255, 255, 255, 0.08); transform: translateY(-1px); }
.detail-label { overflow: hidden; color: var(--color-text-tertiary); font-size: 0.64rem; text-overflow: ellipsis; white-space: nowrap; }
.detail-value { overflow: hidden; font-size: 0.82rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.detail-dots { display: flex; justify-content: center; gap: 0.38rem; margin-top: 0.9rem; }
.detail-dot { width: 6px; height: 6px; padding: 0; border: 0; border-radius: 99px; background: rgba(255, 255, 255, 0.24); transition: width var(--transition), background var(--transition); }
.detail-dot.active { width: 18px; background: var(--color-primary); }

.detail-modal, .modal {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: none;
    align-items: center;
    justify-content: center;
    padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
    background: rgba(3, 6, 12, 0.66);
    backdrop-filter: blur(18px);
}

.detail-modal-content, .modal-content {
    position: relative;
    width: min(580px, 100%);
    max-height: min(84dvh, 760px);
    overflow: auto;
    border: 1px solid var(--color-border-strong);
    border-radius: 28px;
    background: linear-gradient(150deg, rgba(26, 39, 58, 0.98), rgba(11, 18, 29, 0.98));
    box-shadow: 0 34px 100px rgba(0, 0, 0, 0.52);
}

.detail-modal-content { padding: 1.25rem; }
.detail-modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; font-size: 1rem; font-weight: 700; }
.detail-modal-close, .modal-close, .pin-dialog-close { display: grid; width: 38px; height: 38px; place-items: center; padding: 0; border: 1px solid var(--color-border); border-radius: 12px; color: var(--color-text-secondary); background: rgba(255, 255, 255, 0.055); font-size: 1.35rem; transition: background var(--transition); }
.detail-modal-close:hover, .modal-close:hover, .pin-dialog-close:hover { background: rgba(255, 255, 255, 0.1); }
.detail-modal-body { display: grid; gap: 0.55rem; }
.detail-modal-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.8rem 0.9rem; border-radius: 13px; background: rgba(255, 255, 255, 0.045); }
.detail-modal-item-label { color: var(--color-text-secondary); font-size: 0.78rem; }
.detail-modal-item-value { font-size: 0.78rem; font-weight: 700; }
.detail-modal-item-value.open, .detail-modal-item-value.on { color: var(--color-warning); }
.detail-modal-item-value.closed, .detail-modal-item-value.off { color: var(--color-success); }
.wheel-line { opacity: 0.65; filter: drop-shadow(0 0 4px rgba(100, 220, 255, 0.7)); }
.tire-pressure { color: var(--color-text) !important; font-weight: 700; text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8); }

/* Controls */
.control-buttons-wrapper { position: sticky; top: 18px; }
.secure-chip { color: #c9d9ff; background: rgba(88, 130, 235, 0.09); }
.control-buttons-page { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; margin-top: 1.2rem; }

.control-btn {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 86px;
    align-items: center;
    gap: 0.8rem;
    padding: 0.85rem;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 18px;
    text-align: left;
    background: rgba(255, 255, 255, 0.045);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.03);
    transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.control-btn::after { position: absolute; right: -24px; bottom: -34px; width: 80px; height: 80px; border-radius: 50%; background: rgba(88, 139, 255, 0.12); content: ""; filter: blur(16px); opacity: 0; transition: opacity var(--transition); }
.control-btn:hover { border-color: var(--color-border-strong); background: rgba(255, 255, 255, 0.075); transform: translateY(-2px); }
.control-btn:hover::after, .control-btn.active::after { opacity: 1; }
.control-btn:active { transform: scale(0.98); }
.control-btn.active { border-color: rgba(105, 150, 255, 0.34); background: linear-gradient(145deg, rgba(74, 119, 229, 0.19), rgba(43, 72, 135, 0.08)); box-shadow: inset 0 1px rgba(255, 255, 255, 0.08), 0 12px 30px rgba(36, 82, 190, 0.12); }
.control-btn:disabled { cursor: wait; opacity: 0.58; }
.control-btn.is-loading .btn-icon { animation: pulse 900ms ease-in-out infinite alternate; }

.btn-icon { position: relative; z-index: 1; display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; border: 1px solid var(--color-border); border-radius: 15px; background: rgba(255, 255, 255, 0.055); }
.btn-svg { position: absolute; width: 24px; height: 24px; object-fit: contain; transition: opacity var(--transition), transform var(--transition); }
.btn-icon-active { opacity: 0; transform: scale(0.82); }
.btn-icon-inactive, .btn-icon-single { opacity: 0.86; }
.control-btn.active .btn-icon-active { opacity: 1; transform: scale(1); }
.control-btn.active .btn-icon-inactive { opacity: 0; transform: scale(0.82); }
.control-copy { position: relative; z-index: 1; display: grid; min-width: 0; gap: 0.12rem; }
.control-copy strong { overflow: hidden; font-size: 0.82rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.control-copy small { overflow: hidden; color: var(--color-text-tertiary); font-size: 0.62rem; text-overflow: ellipsis; white-space: nowrap; }
.control-btn.active .control-copy small { color: #b9cdff; }

/* Location, climate, services */
.info-cards { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr); gap: clamp(14px, 2vw, 22px); }
.info-card { position: relative; min-height: 210px; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(21, 33, 50, 0.82), rgba(12, 19, 30, 0.9)); box-shadow: var(--shadow-soft); transition: transform var(--transition), border-color var(--transition); }
.info-card:hover { border-color: var(--color-border-strong); transform: translateY(-2px); }
.card-topline { position: relative; z-index: 8; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.card-kicker { color: var(--color-text-secondary); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; }
.info-card .card-topline { position: absolute; top: 18px; right: 20px; left: 20px; }
.map-frame { position: absolute; inset: 0; width: 100%; height: 100%; filter: saturate(0.6) contrast(1.05); opacity: 0.74; }
.location-card::after { position: absolute; inset: 0; z-index: 3; background: linear-gradient(90deg, rgba(9, 15, 25, 0.95) 0%, rgba(9, 15, 25, 0.56) 46%, rgba(9, 15, 25, 0.08) 100%); content: ""; pointer-events: none; }
.map-label { position: absolute; z-index: 8; top: 70px; left: 20px; max-width: min(58%, 330px); overflow: hidden; font-size: clamp(1.05rem, 2vw, 1.45rem); font-weight: 620; letter-spacing: -0.03em; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.card-action-label { position: absolute; z-index: 8; right: 20px; bottom: 18px; left: 20px; color: var(--color-text-secondary); font-size: 0.68rem; }
.ac-card { padding: 18px 20px; background: radial-gradient(circle at 84% 16%, rgba(88, 137, 255, 0.24), transparent 55%), linear-gradient(145deg, #19263b, #0d1522); }
.ac-card::after { position: absolute; right: -45px; bottom: -72px; width: 190px; height: 190px; border: 1px solid rgba(128, 171, 255, 0.16); border-radius: 50%; content: ""; box-shadow: inset 0 0 50px rgba(76, 130, 248, 0.08); }
.ac-temp { position: relative; z-index: 2; display: flex; align-items: flex-start; margin-top: 48px; letter-spacing: -0.07em; }
.temp-value { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 430; line-height: 1; }
.temp-unit { margin: 0.2rem 0 0 0.16rem; color: var(--color-text-secondary); font-size: 1.1rem; }
.ac-label { position: relative; z-index: 2; color: var(--color-text-secondary); font-size: 0.7rem; }
.ac-info { position: relative; z-index: 2; margin-top: 0.55rem; }
.ac-status { font-size: 0.75rem; }

.feature-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; }
.feature-heading { grid-column: 1 / -1; margin-bottom: 0.5rem; }
.feature-item { display: grid; min-width: 0; min-height: 76px; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 0.75rem; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: 17px; text-align: left; background: rgba(255, 255, 255, 0.035); transition: transform var(--transition), background var(--transition), border-color var(--transition); }
.feature-item:hover { border-color: var(--color-border-strong); background: rgba(255, 255, 255, 0.07); transform: translateY(-2px); }
.feature-symbol { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 13px; color: #c9dcff; background: linear-gradient(145deg, rgba(90, 137, 250, 0.2), rgba(67, 104, 189, 0.08)); font-size: 0.9rem; }
.feature-content { display: grid; min-width: 0; gap: 0.15rem; }
.feature-content strong { overflow: hidden; font-size: 0.78rem; text-overflow: ellipsis; white-space: nowrap; }
.feature-content small { overflow: hidden; color: var(--color-text-tertiary); font-size: 0.61rem; text-overflow: ellipsis; white-space: nowrap; }
.feature-arrow { color: var(--color-text-tertiary); transition: color var(--transition), transform var(--transition); }
.feature-item:hover .feature-arrow { color: var(--color-accent); transform: translateX(3px); }

.car-info-section { overflow: hidden; }
.car-info-section::after { position: absolute; right: -70px; bottom: -100px; width: 230px; height: 230px; border: 1px solid rgba(112, 155, 255, 0.1); border-radius: 50%; content: ""; pointer-events: none; }
.privacy-chip { min-height: 24px; color: #bdebd9; background: rgba(75, 196, 149, 0.08); }
#car-series-name { position: relative; z-index: 1; margin-top: 1.4rem; font-size: 1.55rem; font-weight: 620; letter-spacing: -0.04em; }
.car-meta { position: relative; z-index: 1; display: grid; gap: 0.35rem; margin-top: 1rem; color: var(--color-text-secondary); font-size: 0.7rem; }
.text-action { position: relative; z-index: 1; display: flex; width: 100%; align-items: center; justify-content: space-between; margin-top: 1.3rem; padding: 0.8rem 0; border: 0; border-top: 1px solid var(--color-border); color: #cbd9f8; background: transparent; text-align: left; font-size: 0.72rem; }
.text-action:hover { color: var(--color-accent); }
.app-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 26px 4px 8px; color: var(--color-text-tertiary); font-size: 0.64rem; }

/* Shared modal content and generated screens */
.modal { opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 240ms ease, visibility 240ms ease; }
.modal.active { display: flex; opacity: 1; visibility: visible; pointer-events: auto; }
.modal-content { padding: clamp(20px, 4vw, 32px); transform: translateY(18px) scale(0.98); transition: transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.modal.active .modal-content { transform: translateY(0) scale(1); }
.modal-close { position: sticky; top: 0; z-index: 20; float: right; margin: -6px -6px 4px 14px; }
.modal-close img { width: 18px; height: 18px; }
.modal-body { min-height: 80px; }
.modal-body h2 { margin-bottom: 1.25rem; font-size: 1.3rem; font-weight: 650; letter-spacing: -0.03em; }

.status-item, .history-item, .diag-item, .trips-record { border: 1px solid var(--color-border); border-radius: 14px; background: rgba(255, 255, 255, 0.035); }
.status-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 54px; margin-top: 0.55rem; padding: 0.8rem 0.9rem; }
.status-label { color: var(--color-text-secondary); font-size: 0.76rem; }
.status-value { max-width: 62%; overflow: hidden; font-size: 0.76rem; font-weight: 650; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.status-arrow { color: var(--color-text-tertiary); }
.danger-action-btn { width: 100%; min-height: 48px; margin-top: 1.25rem; border: 1px solid rgba(255, 114, 127, 0.24); border-radius: 14px; color: #ffabb3; background: rgba(255, 114, 127, 0.08); font-weight: 650; }
.danger-action-btn:hover { background: rgba(255, 114, 127, 0.14); }

.diag-scanning { display: grid; min-height: 180px; place-items: center; align-content: center; gap: 1rem; color: var(--color-text-secondary); }
.diag-spinner { width: 32px; height: 32px; border: 2px solid rgba(255, 255, 255, 0.1); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 900ms linear infinite; }
.diag-category { margin-top: 1rem; }
.diag-category-title, .trips-list-title { margin-bottom: 0.6rem; color: var(--color-text-secondary); font-size: 0.72rem; font-weight: 700; }
.diag-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 0.45rem; padding: 0.75rem 0.85rem; }
.diag-item-name, .diag-item-status { font-size: 0.72rem; }
.diag-item-status.good { color: var(--color-success); }
.diag-item-status.error { color: var(--color-danger); }

.trips-date { display: flex; align-items: center; gap: 0.65rem; margin-bottom: 1rem; }
.trips-date-input { flex: 1; min-height: 44px; padding: 0 0.8rem; border: 1px solid var(--color-border); border-radius: 12px; color: var(--color-text); background: rgba(255, 255, 255, 0.05); color-scheme: dark; }
.trips-summary { display: flex; align-items: stretch; justify-content: space-around; overflow: hidden; border: 1px solid var(--color-border); border-radius: 16px; background: rgba(255, 255, 255, 0.035); }
.trips-stat { display: grid; flex: 1; min-width: 0; place-items: center; gap: 0.2rem; padding: 1rem 0.6rem; }
.trips-stat-value { font-size: 1.15rem; font-weight: 650; }
.trips-stat-label { color: var(--color-text-tertiary); font-size: 0.62rem; }
.trips-divider { width: 1px; background: var(--color-border); }
.trips-list { margin-top: 1rem; }
.trips-record { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.8rem; margin-top: 0.45rem; padding: 0.75rem; }
.trips-record-time, .trips-record-distance { font-size: 0.7rem; font-weight: 650; }
.trips-record-route { display: flex; min-width: 0; align-items: center; justify-content: center; gap: 0.35rem; overflow: hidden; color: var(--color-text-secondary); font-size: 0.65rem; }
.trips-record-route span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.history-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 0.45rem; padding: 0.75rem 0.85rem; }
.history-action { font-size: 0.72rem; }
.history-time { color: var(--color-text-tertiary); font-size: 0.64rem; white-space: nowrap; }

.pin-dialog { position: fixed; inset: 0; z-index: 1800; display: grid; place-items: center; padding: 18px; background: rgba(3, 6, 12, 0.72); backdrop-filter: blur(18px); opacity: 0; transition: opacity 180ms ease; }
.pin-dialog.active { opacity: 1; }
.pin-dialog-card { position: relative; width: min(400px, 100%); padding: 26px; border: 1px solid var(--color-border-strong); border-radius: 24px; background: linear-gradient(150deg, #1a273a, #0d1522); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5); }
.pin-dialog-card h2 { font-size: 1.2rem; }
.pin-dialog-card > p { margin-top: 0.5rem; color: var(--color-text-secondary); font-size: 0.75rem; line-height: 1.7; }
.pin-dialog-close { position: absolute; top: 16px; right: 16px; }
.pin-dialog-form { display: grid; gap: 0.8rem; margin-top: 1.25rem; }
.pin-dialog-input { width: 100%; height: 50px; padding: 0 1rem; border: 1px solid var(--color-border); border-radius: 14px; outline: 0; color: var(--color-text); background: rgba(255, 255, 255, 0.05); }
.pin-dialog-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(103, 146, 255, 0.1); }
.pin-dialog-error { min-height: 1rem; color: var(--color-danger); font-size: 0.7rem; }
.pin-dialog-actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0.65rem; }
.pin-dialog-cancel, .pin-dialog-confirm { min-height: 44px; border-radius: 13px; font-weight: 650; }
.pin-dialog-cancel { border: 1px solid var(--color-border); background: rgba(255, 255, 255, 0.05); }
.pin-dialog-confirm { border: 0; background: linear-gradient(110deg, var(--color-primary-strong), var(--color-primary)); }

.app-toast { position: fixed; top: max(22px, env(safe-area-inset-top)); left: 50%; z-index: 2200; max-width: min(420px, calc(100vw - 32px)); padding: 0.75rem 1rem; border: 1px solid var(--color-border-strong); border-radius: 14px; color: var(--color-text); background: rgba(15, 24, 38, 0.9); box-shadow: 0 16px 50px rgba(0, 0, 0, 0.38); backdrop-filter: blur(20px); font-size: 0.76rem; text-align: center; transform: translateX(-50%); animation: toast-in 240ms ease both; }
.app-toast.hiding { opacity: 0; transform: translate(-50%, -10px); transition: opacity 240ms ease, transform 240ms ease; }

.lightbox-overlay { position: fixed; inset: 0; z-index: 2200; display: grid; place-items: center; padding: 18px; background: rgba(0, 0, 0, 0.92); }
.lightbox-overlay img { max-width: 100%; max-height: 90dvh; border-radius: 18px; }

/* Keep map attribution visible and readable. */
.amap-logo, .amap-copyright { opacity: 0.62 !important; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { to { opacity: 0.55; transform: scale(0.94); } }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, -10px); } }

@media (max-width: 980px) {
    .main-content { grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr); grid-template-areas: "vehicle vehicle" "controls car" "info info" "features features"; }
    .control-buttons-wrapper { position: relative; top: auto; }
    .vehicle-viewer { min-height: 430px; }
}

@media (max-width: 720px) {
    .login-shell { min-height: auto; grid-template-columns: 1fr; border-radius: 28px; }
    .login-intro { display: none; }
    .login-container { padding: 32px 24px; }
    .login-logo { display: grid; }

    .app-container { padding-right: 14px; padding-left: 14px; }
    .header { padding-top: max(15px, env(safe-area-inset-top)); }
    .header-content { min-height: 62px; }
    .brand-lockup.compact > span:last-child, .sync-indicator { display: none; }
    .header-left { gap: 12px; }
    .vehicle-name { max-width: 170px; font-size: 1.2rem; }
    .companion-text { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .range-display { min-width: 96px; }
    .range-caption { display: none; }
    .fuel-bar-container { width: 88px; }
    .icon-action { width: 36px; height: 36px; border-radius: 12px; }

    .main-content { display: flex; flex-direction: column; gap: 14px; }
    .main-content > * { width: 100%; }
    .vehicle-viewer-section, .control-buttons-wrapper, .feature-list, .car-info-section, .info-card { border-radius: 24px; }
    .vehicle-viewer { min-height: 0; aspect-ratio: 1 / 1.03; border-radius: 0 0 24px 24px; }
    .viewer-hint { font-size: 0; }
    .viewer-hint span { font-size: 0.8rem; }
    .vehicle-summary { right: 12px; bottom: 12px; left: 12px; grid-template-columns: repeat(2, 1fr); }
    .vehicle-summary > div { padding: 0.58rem 0.7rem; }
    .vehicle-summary > div:nth-child(3) { border-top: 1px solid var(--color-border); border-left: 0; }
    .vehicle-summary > div:nth-child(4) { border-top: 1px solid var(--color-border); }

    .control-buttons-page { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .control-btn { min-height: 104px; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: 0.55rem; }
    .btn-icon { width: 40px; height: 40px; flex-basis: 40px; }
    .btn-svg { width: 22px; height: 22px; }
    .control-copy { width: 100%; }
    .control-copy strong, .control-copy small { white-space: normal; }

    .info-cards { grid-template-columns: 1fr 1fr; gap: 12px; }
    .info-card { min-height: 200px; }
    .location-card::after { background: linear-gradient(to bottom, rgba(9, 15, 25, 0.88), rgba(9, 15, 25, 0.24)); }
    .map-label { top: 62px; max-width: calc(100% - 40px); font-size: 1rem; }
    .ac-card { padding: 16px; }
    .temp-value { font-size: 2.8rem; }
    .feature-list { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: repeat(2, 1fr); }
    .detail-panel-inline { bottom: max(8px, env(safe-area-inset-bottom)); border-radius: 24px; }
    .detail-panel-title > span { display: none; }
    .app-footer { padding: 20px 4px 4px; }
}

@media (max-width: 460px) {
    .header-right { gap: 8px; }
    .range-toggle { display: none; }
    .vehicle-name { max-width: 135px; }
    .companion-text { max-width: 140px; }
    .info-cards { grid-template-columns: 1fr; }
    .info-card { min-height: 178px; }
    .control-buttons-page { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .control-btn { min-height: 88px; flex-direction: row; align-items: center; justify-content: flex-start; }
    .vehicle-summary strong { font-size: 0.78rem; }
    .modal, .detail-modal { align-items: flex-end; padding: 10px; }
    .modal-content, .detail-modal-content { max-height: 88dvh; border-radius: 24px; }
    .trips-record { grid-template-columns: 1fr auto; }
    .trips-record-route { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
}

@media (prefers-contrast: more) {
    :root { --color-border: rgba(230, 240, 255, 0.28); --color-border-strong: rgba(230, 240, 255, 0.5); --color-text-secondary: rgba(247, 249, 252, 0.82); }
}