/* ============================================================
   KEPLER ACCESS — CSS
   Palette: #DDDCDB · #FD7B41 · #EDBF9B · #3C4044
   Fonts: Syne (display) · DM Mono (mono/body)
   ============================================================ */

:root {
    --c-bg:        #1a1c1e;
    --c-surface:   #22262a;
    --c-surface2:  #2c3035;
    --c-border:    #3a3f44;
    --c-muted:     #3C4044;
    --c-text:      #DDDCDB;
    --c-text-dim:  #8a9097;
    --c-orange:    #FD7B41;
    --c-orange-dim:#c45e2e;
    --c-peach:     #EDBF9B;
    --c-success:   #4ade80;
    --c-danger:    #f87171;
    --c-warn:      #fbbf24;
    --font-display:'Syne', sans-serif;
    --font-mono:   'DM Mono', monospace;
    --radius:      12px;
    --radius-sm:   8px;
    --transition:  0.18s cubic-bezier(0.4,0,0.2,1);
}

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

html, body {
    height: 100%;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--font-mono);
    -webkit-font-smoothing: antialiased;
    touch-action: manipulation;
    user-select: none;
}

/* Scroll bloqueado solo en la app del scanner */
body.scanner-active {
    overflow: hidden;
}

/* ===== LOGIN ===== */
.login-wrapper {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(253,123,65,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(253,123,65,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
}

.bg-glow {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(253,123,65,0.08) 0%, transparent 65%);
}

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 20px;
    padding: 32px 28px 24px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(253,123,65,0.06);
    margin: auto;
}

@media (max-width: 420px) {
    .login-card {
        padding: 24px 20px 20px;
        border-radius: 16px;
    }
}

.login-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 28px;
}

.login-title-block h1 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--c-text);
}

.login-title-block h1 span {
    color: var(--c-orange);
}

.login-title-block .subtitle {
    font-size: 11px;
    color: var(--c-text-dim);
    letter-spacing: 1px;
    margin-top: 2px;
}

.alert-error {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(248,113,113,0.12);
    border: 1px solid rgba(248,113,113,0.3);
    border-radius: var(--radius-sm);
    color: var(--c-danger);
    font-size: 13px;
    padding: 10px 14px;
    margin-bottom: 20px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.field-group label {
    display: block;
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--c-text-dim);
    margin-bottom: 6px;
    font-weight: 500;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper svg:first-child {
    position: absolute;
    left: 14px;
    color: var(--c-text-dim);
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    color: var(--c-text);
    font-family: var(--font-mono);
    font-size: 14px;
    padding: 12px 48px 12px 44px;

    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    -webkit-appearance: none;
}

.input-wrapper input:focus {
    border-color: var(--c-orange);
    box-shadow: 0 0 0 3px rgba(253,123,65,0.15);
}

.input-wrapper input::placeholder { color: var(--c-muted); }

.toggle-pass {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);

    background: none;
    border: none;
    color: var(--c-text-dim);
    cursor: pointer;

    display: flex;
    align-items: center;
    justify-content: center;

    width: 24px;
    height: 24px;

    padding: 0;
}

.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--c-orange);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 14px 20px;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    margin-top: 4px;
}

.btn-login:hover { background: var(--c-orange-dim); }
.btn-login:active { transform: scale(0.98); }
.btn-login.loading { opacity: 0.7; pointer-events: none; }

.login-footer { margin-top: 20px; }

.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--c-text-dim);
    font-size: 11px;
    letter-spacing: 0.3px;
}

/* ===== SCANNER APP ===== */
.scanner-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    position: relative;
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
    min-height: 60px;
}

.header-left { display: flex; align-items: center; gap: 12px; }

.header-info { display: flex; flex-direction: column; }

.app-name {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--c-orange);
}

.employee-name {
    font-size: 11px;
    color: var(--c-text-dim);
    letter-spacing: 0.5px;
}

.header-right { display: flex; align-items: center; gap: 12px; }

.conn-status {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(74,222,128,0.1);
    border: 1px solid rgba(74,222,128,0.25);
    border-radius: 20px;
    padding: 4px 10px;
}

.conn-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-success);
    box-shadow: 0 0 6px var(--c-success);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.conn-label {
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--c-success);
    font-weight: 500;
}

.conn-status.offline {
    background: rgba(248,113,113,0.1);
    border-color: rgba(248,113,113,0.25);
}

.conn-status.offline .conn-dot {
    background: var(--c-danger);
    box-shadow: 0 0 6px var(--c-danger);
    animation: none;
}

.conn-status.offline .conn-label { color: var(--c-danger); }

.btn-logout {
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    color: var(--c-text-dim);
    cursor: pointer;
    padding: 7px 10px;
    display: flex;
    align-items: center;
    transition: all var(--transition);
}

.btn-logout:hover {
    border-color: var(--c-danger);
    color: var(--c-danger);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 10px 16px;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--c-text);
    line-height: 1;
}

.stat-num.valid { color: var(--c-success); }
.stat-num.danger { color: var(--c-danger); }

.stat-lbl {
    font-size: 9px;
    letter-spacing: 1.2px;
    color: var(--c-text-dim);
}

.stat-divider {
    width: 1px;
    height: 28px;
    background: var(--c-border);
}

/* Scanner Section */
.scanner-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.scanner-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #000;
}

.camera-viewport {
    width: 100%;
    height: 100%;
    position: relative;
}

#scannerVideo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Scan Overlay */
.scan-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.45);
}

.scan-frame {
    position: relative;
    width: min(280px, 70vw);
    height: min(280px, 70vw);
    background: transparent;
}

.corner {
    position: absolute;
    width: 28px;
    height: 28px;
    border-color: var(--c-orange);
    border-style: solid;
    border-width: 0;
}

.corner.tl { top: 0; left: 0; border-top-width: 3px; border-left-width: 3px; border-radius: 4px 0 0 0; }
.corner.tr { top: 0; right: 0; border-top-width: 3px; border-right-width: 3px; border-radius: 0 4px 0 0; }
.corner.bl { bottom: 0; left: 0; border-bottom-width: 3px; border-left-width: 3px; border-radius: 0 0 0 4px; }
.corner.br { bottom: 0; right: 0; border-bottom-width: 3px; border-right-width: 3px; border-radius: 0 0 4px 0; }

.scan-line {
    position: absolute;
    top: 0;
    left: 6px;
    right: 6px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--c-orange), transparent);
    box-shadow: 0 0 8px var(--c-orange);
    animation: scan-sweep 2s ease-in-out infinite;
}

@keyframes scan-sweep {
    0%, 100% { top: 0; opacity: 1; }
    50% { top: calc(100% - 2px); opacity: 0.8; }
}

/* Scanning state — highlight frame */
.scan-frame.scanning .corner {
    border-color: var(--c-orange);
    filter: drop-shadow(0 0 4px var(--c-orange));
}

.scan-hint {
    margin-top: 24px;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    text-align: center;
    letter-spacing: 0.3px;
    padding: 0 24px;
}

/* Camera Off */
.camera-off {
    position: absolute;
    inset: 0;
    background: var(--c-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--c-text-dim);
}

.camera-off p {
    font-size: 14px;
    letter-spacing: 0.5px;
}

.btn-activate {
    background: var(--c-orange);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 12px 24px;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-activate:hover { background: var(--c-orange-dim); }

/* Controls */
.scanner-controls {
    display: flex;
    gap: 10px;
    padding: 14px 16px;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    flex-shrink: 0;
}

.ctrl-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--c-orange);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 12px 8px;
    cursor: pointer;
    transition: all var(--transition);
}

.ctrl-btn.secondary {
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    color: var(--c-text-dim);
    flex: 0.6;
}

.ctrl-btn:active { transform: scale(0.96); }
.ctrl-btn.active { background: var(--c-orange-dim); box-shadow: 0 0 0 2px var(--c-orange); }

/* ===== RESULT MODAL ===== */
.result-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fade-in 0.2s ease;
}

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

.result-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 20px 20px 0 0;
    padding: 28px 24px 40px;
    width: 100%;
    max-width: 480px;
    animation: slide-up 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.result-icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.result-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
}

.result-icon.success { background: rgba(74,222,128,0.15); border: 2px solid rgba(74,222,128,0.4); }
.result-icon.danger  { background: rgba(248,113,113,0.15); border: 2px solid rgba(248,113,113,0.4); }
.result-icon.warn    { background: rgba(251,191,36,0.15); border: 2px solid rgba(251,191,36,0.4); }

.result-status {
    text-align: center;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.result-status.success { color: var(--c-success); }
.result-status.danger  { color: var(--c-danger); }
.result-status.warn    { color: var(--c-warn); }

.result-message {
    text-align: center;
    font-size: 14px;
    color: var(--c-text-dim);
    margin-bottom: 20px;
}

.ticket-info {
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ticket-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 8px;
}

.t-lbl {
    font-size: 10px;
    letter-spacing: 1.2px;
    color: var(--c-text-dim);
    flex-shrink: 0;
}

.t-val {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--c-text);
    text-align: right;
}

.btn-close-result {
    width: 100%;
    background: var(--c-orange);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 14px;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-close-result:hover { background: var(--c-orange-dim); }

/* ===== MANUAL MODAL ===== */
.manual-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 100;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    animation: fade-in 0.2s ease;
}

.manual-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 20px 20px 0 0;
    padding: 28px 24px 40px;
    width: 100%;
    max-width: 480px;
    animation: slide-up 0.28s cubic-bezier(0.34,1.56,0.64,1);
}

.manual-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.manual-card p {
    font-size: 13px;
    color: var(--c-text-dim);
    margin-bottom: 18px;
}

.manual-input {
    width: 100%;
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    color: var(--c-text);
    font-family: var(--font-mono);
    font-size: 15px;
    letter-spacing: 1px;
    padding: 14px 16px;
    outline: none;
    margin-bottom: 16px;
    transition: border-color var(--transition);
}

.manual-input:focus {
    border-color: var(--c-orange);
    box-shadow: 0 0 0 3px rgba(253,123,65,0.15);
}

.manual-actions { display: flex; gap: 10px; }

.btn-manual-cancel {
    flex: 1;
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    color: var(--c-text-dim);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 13px;
    cursor: pointer;
}

.btn-manual-submit {
    flex: 2;
    background: var(--c-orange);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 13px;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-manual-submit:hover { background: var(--c-orange-dim); }

/* ===== LOADING ===== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: var(--c-text);
    font-size: 12px;
    letter-spacing: 2px;
}

.spinner-ring {
    width: 48px;
    height: 48px;
    border: 3px solid var(--c-border);
    border-top-color: var(--c-orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== HAPTIC FEEDBACK CLASSES ===== */
.flash-success {
    animation: flash-green 0.4s ease;
}
.flash-danger {
    animation: flash-red 0.4s ease;
}

@keyframes flash-green {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.3) saturate(1.5); background-color: rgba(74,222,128,0.1); }
}

@keyframes flash-red {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2) saturate(1.5); background-color: rgba(248,113,113,0.1); }
}

/* ===== PWA SAFE AREAS ===== */
@supports (padding: env(safe-area-inset-bottom)) {
    .scanner-controls {
        padding-bottom: calc(14px + env(safe-area-inset-bottom));
    }
    .result-card, .manual-card {
        padding-bottom: calc(40px + env(safe-area-inset-bottom));
    }
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
    .scanner-controls { padding: 16px 24px; }
    .ctrl-btn { font-size: 12px; padding: 14px 10px; }
}