:root {
    --bg1: #0f172a;
    --bg2: #1e3a8a;
    --card: rgba(255,255,255,.95);
    --text: #0f172a;
    --muted: #64748b;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --green: #16a34a;
    --red: #dc2626;
    --amber: #d97706;
    --line: #e2e8f0;
    --shadow: 0 18px 45px rgba(15, 23, 42, .22);
}

* { box-sizing: border-box; }

html, body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(96,165,250,.35), transparent 34%),
        linear-gradient(135deg, var(--bg1), var(--bg2));
    color: var(--text);
    text-align: center;
}

.app-shell {
    width: min(760px, 100%);
    min-height: 100vh;
    margin: 0 auto;
    padding: env(safe-area-inset-top) 14px 18px;
}

.app-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 22px 4px 16px;
    color: white;
    text-align: left;
}

.eyebrow {
    margin: 0 0 4px;
    font-size: 12px;
    letter-spacing: .14em;
    text-transform: uppercase;
    opacity: .72;
}

h1 {
    margin: 0;
    font-size: clamp(26px, 7vw, 38px);
    line-height: 1.1;
    letter-spacing: .03em;
}

.header-badge {
    flex: 0 0 auto;
    padding: 9px 12px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
    background: rgba(255,255,255,.12);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    color: #fff;
}

main {
    padding-bottom: 22px;
}

.hero-card,
.employee-card,
.result-card {
    background: var(--card);
    border: 1px solid rgba(255,255,255,.55);
    border-radius: 28px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.hero-card {
    padding: 26px 18px 22px;
}

.face-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(145deg, #dbeafe, #eff6ff);
    border: 6px solid white;
    box-shadow: 0 12px 26px rgba(37,99,235,.22);
    display: grid;
    place-items: center;
}

.face-icon span {
    width: 48px;
    height: 48px;
    border: 4px solid var(--blue);
    border-radius: 18px;
    position: relative;
}

.face-icon span::before,
.face-icon span::after {
    content: "";
    position: absolute;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--blue);
}

.face-icon span::before { left: 10px; }
.face-icon span::after { right: 10px; }

.status {
    min-height: 38px;
    font-size: clamp(22px, 6vw, 34px);
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: .02em;
}

.result {
    min-height: 42px;
    margin: 10px auto 18px;
    color: var(--muted);
    font-size: clamp(17px, 4.6vw, 22px);
    font-weight: 800;
    line-height: 1.5;
}

.start-button,
.punch-button,
.sub-button,
#btnAdminLogin {
    appearance: none;
    border: 0;
    cursor: pointer;
    font-family: inherit;
    font-weight: 900;
    transition: transform .08s ease, filter .12s ease, opacity .12s ease;
}

.start-button:active,
.punch-button:active,
.sub-button:active,
#btnAdminLogin:active {
    transform: translateY(1px) scale(.99);
}

.start-button {
    width: 100%;
    min-height: 72px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: white;
    font-size: clamp(24px, 6vw, 32px);
    box-shadow: 0 14px 26px rgba(37,99,235,.32);
}

.employee-card {
    margin-top: 14px;
    padding: 16px;
}

.employee-title {
    color: var(--muted);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .08em;
    margin-bottom: 10px;
}

.employee-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.employee-item {
    padding: 13px 10px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px solid var(--line);
    text-align: left;
}

.label {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 800;
}

.employee-item strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: clamp(20px, 5vw, 28px);
}

.camera-area {
    position: absolute;
    left: -9999px;
    top: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

#faceVideo {
    width: 1px;
    height: 1px;
}

.buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0;
}

.punch-button {
    min-height: 82px;
    border-radius: 22px;
    color: white;
    font-size: clamp(22px, 6vw, 30px);
    box-shadow: 0 12px 22px rgba(15, 23, 42, .18);
}

.punch-button.in { background: linear-gradient(135deg, #22c55e, var(--green)); }
.punch-button.out { background: linear-gradient(135deg, #ef4444, var(--red)); }
.punch-button.break { background: linear-gradient(135deg, #f59e0b, var(--amber)); }

.punch-button:disabled {
    background: linear-gradient(135deg, #cbd5e1, #94a3b8);
    color: rgba(255,255,255,.82);
    box-shadow: none;
    cursor: not-allowed;
    opacity: .72;
}

.footer-actions {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

.sub-button {
    min-width: 150px;
    padding: 13px 22px;
    border-radius: 999px;
    background: rgba(255,255,255,.16);
    color: white;
    border: 1px solid rgba(255,255,255,.34);
    font-size: 16px;
}

.admin-modal {
    position: absolute;
    right: 4px;
    top: 76px;
    display: flex;
    gap: 8px;
    padding: 10px;
    border-radius: 16px;
    background: rgba(15,23,42,.92);
    box-shadow: 0 14px 30px rgba(0,0,0,.25);
    z-index: 10;
}

#adminModal input {
    width: 150px;
    border: 0;
    border-radius: 12px;
    padding: 12px;
    font-size: 16px;
}

#adminModal button {
    border-radius: 12px;
    padding: 12px 16px;
    background: var(--blue);
    color: white;
    font-size: 16px;
}
main{
    max-width: 720px;
    min-height: auto;
    padding: 24px 16px 16px;
}

.hero-card{
    padding: 28px 24px 24px;
    margin-bottom: 14px;
}

.employee-card{
    margin-bottom: 14px;
}

.buttons{
    margin-top: 12px;
    gap: 12px;
}

.buttons button{
    padding: 20px 10px;
    min-height: 74px;
}

.small{
    margin-top: 12px;
    padding-bottom: 20px;
}

@media (max-height: 760px){
    header{
        padding: 20px 18px 10px;
    }

    .hero-card{
        padding: 22px 20px 20px;
    }

    .face-icon{
        width: 72px;
        height: 72px;
        margin-bottom: 18px;
    }

    .status{
        font-size: 26px;
        margin-bottom: 8px;
    }

    .result{
        font-size: 20px;
        min-height: 28px;
    }

    .employee-card{
        padding: 16px;
    }

    .buttons button{
        min-height: 68px;
        font-size: 26px;
    }
}
@media (max-width: 420px) {
    .app-shell { padding-left: 10px; padding-right: 10px; }
    .hero-card { border-radius: 24px; padding: 22px 14px 18px; }
    .face-icon { width: 82px; height: 82px; }
    .employee-grid { grid-template-columns: 1fr; }
    .buttons { gap: 10px; }
    .punch-button { min-height: 74px; border-radius: 18px; }
}

/* ===== 顔登録画面 追加スタイル ===== */

.app-header {
    background: transparent;
    color: #fff;
    padding: 24px 16px 8px;
}

.header-inner {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.eyebrow {
    font-size: 12px;
    letter-spacing: .18em;
    font-weight: 700;
    opacity: .7;
    margin-bottom: 4px;
}

.header-pill {
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
}

.register-form {
    margin: 22px 0 18px;
    text-align: left;
}

.register-form label {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: #64748b;
    margin-bottom: 8px;
}

.register-form input {
    width: 100%;
    font-size: 28px;
    font-weight: 800;
    padding: 18px 18px;
    border-radius: 18px;
    border: 1px solid #dbe3ef;
    background: #f8fafc;
    color: #0f172a;
    outline: none;
}

.register-form input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37,99,235,.14);
    background: #fff;
}

.register-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 18px;
}

.register-actions button {
    min-height: 76px;
}

.hint {
    margin-top: 18px;
    font-size: 15px;
    font-weight: 700;
    color: #64748b;
}

@media (max-width: 520px) {
    .register-actions {
        grid-template-columns: 1fr;
    }

    .register-form input {
        font-size: 24px;
    }
}
/* register page center fix */
.register-main{
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px;
}

.register-card{
    margin-left: auto;
    margin-right: auto;
}

.register-actions{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.register-actions button{
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg,#3478f6,#2354d6);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    padding: 20px 10px;
}

.register-back button,
.register-back a{
    display: inline-block;
    border: 0;
    border-radius: 999px;
    background: rgba(255,255,255,.18);
    color: #fff;
    padding: 12px 22px;
    text-decoration: none;
    font-weight: 700;
}
.success-mode .result{
    background:#fff;
    border-radius:24px;
    padding:30px;
    text-align:center;
    box-shadow:0 20px 50px rgba(0,0,0,.25);
}

.success-mark{
    width:80px;
    height:80px;
    margin:0 auto 16px;
    border-radius:50%;
    background:#22c55e;
    color:#fff;
    font-size:48px;
    font-weight:bold;
    line-height:80px;
}

.success-title{
    font-size:32px;
    font-weight:800;
    color:#16a34a;
}

.success-sub{
    margin-top:10px;
    font-size:20px;
    color:#64748b;
}
.employee-row{
    display:grid;
    grid-template-columns: 180px 1fr;
    gap:16px;
    margin-bottom:20px;
}

.employee-row .register-form{
    margin:0;
}

.employee-row input{
    width:100%;
}
@media (max-width:640px){

    .employee-row{
        grid-template-columns:1fr;
        gap:12px;
    }
}
.success-actions{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:14px;
    margin-top:24px;
}

.success-actions button{
    border:0;
    border-radius:18px;
    background:linear-gradient(135deg,#3478f6,#2354d6);
    color:white;
    font-size:20px;
    font-weight:800;
    padding:18px 10px;
}

.success-actions button:first-child{
    background:rgba(15,23,42,.75);
}

@media(max-width:640px){
    .success-actions{
        grid-template-columns:1fr;
    }
}
.admin-menu{
    display:grid;
    gap:18px;
    margin-top:24px;
}

.menu-btn{
    border:0;
    border-radius:20px;
    background:linear-gradient(135deg,#3478f6,#2354d6);
    color:#fff;
    font-size:28px;
    font-weight:800;
    padding:24px;
    cursor:pointer;
}

.menu-btn:hover{
    transform:translateY(-2px);
}

.menu-btn:last-child{
    background:#4b5563;
}

/* ===== 顔認証中アニメーション ===== */
.face-icon{
    position:relative;
    overflow:hidden;
    isolation:isolate;
}

.face-icon::before,
.face-icon::after{
    content:"";
    position:absolute;
    inset:4px;
    border-radius:50%;
    border:3px solid rgba(37,99,235,.34);
    opacity:0;
    pointer-events:none;
}

.face-icon .scan-line{
    position:absolute;
    z-index:3;
    left:15%;
    right:15%;
    top:20%;
    height:4px;
    border-radius:999px;
    background:linear-gradient(90deg,transparent,#22c55e 25%,#86efac 50%,#22c55e 75%,transparent);
    box-shadow:0 0 12px rgba(34,197,94,.95);
    opacity:0;
    pointer-events:none;
}

.face-icon.scanning{
    box-shadow:0 0 0 8px rgba(37,99,235,.10),0 15px 32px rgba(37,99,235,.32);
}

.face-icon.scanning::before{
    animation:face-ring 1.6s ease-out infinite;
}

.face-icon.scanning::after{
    animation:face-ring 1.6s .8s ease-out infinite;
}

.face-icon.scanning span{
    animation:face-breathe 1.15s ease-in-out infinite;
}

.face-icon.scanning .scan-line{
    opacity:1;
    animation:face-scan 1.5s ease-in-out infinite;
}

.face-icon.scan-success{
    background:linear-gradient(145deg,#dcfce7,#f0fdf4);
    box-shadow:0 0 0 8px rgba(34,197,94,.12),0 15px 32px rgba(34,197,94,.28);
}

.face-icon.scan-success span,
.face-icon.scan-success span::before,
.face-icon.scan-success span::after{
    border-color:#16a34a;
}

.face-icon.scan-error{
    animation:face-shake .32s ease-in-out 2;
    background:linear-gradient(145deg,#fee2e2,#fff1f2);
    box-shadow:0 0 0 8px rgba(220,38,38,.10),0 15px 32px rgba(220,38,38,.22);
}

.start-button.is-processing{
    opacity:.82;
    cursor:wait;
}

@keyframes face-scan{
    0%{top:18%;opacity:.15}
    15%{opacity:1}
    50%{top:72%;opacity:1}
    85%{opacity:1}
    100%{top:18%;opacity:.15}
}

@keyframes face-ring{
    0%{transform:scale(.82);opacity:.75}
    100%{transform:scale(1.34);opacity:0}
}

@keyframes face-breathe{
    0%,100%{transform:scale(1)}
    50%{transform:scale(1.08)}
}

@keyframes face-shake{
    0%,100%{transform:translateX(0)}
    25%{transform:translateX(-5px)}
    75%{transform:translateX(5px)}
}

@media (prefers-reduced-motion:reduce){
    .face-icon.scanning::before,
    .face-icon.scanning::after,
    .face-icon.scanning span,
    .face-icon.scanning .scan-line,
    .face-icon.scan-error{animation:none}
}