/* ===========================================================================
   Centros TONO — PWA del centro
   Paleta y tipografía del Manual de Identidad Corporativa TONO.
   =========================================================================== */

:root {
    --tono-verde:        #656B36;
    --tono-verde-dark:   #4D5229;
    --tono-marron:       #76684C;
    --tono-marron-dark:  #5C5039;
    --tono-dorado:       #8D6930;
    --tono-crema:        #D3CAB7;
    --tono-blanco:       #F6FAFD;
    --tono-negro:        #191919;

    --tono-gris-1:       #E5E5E0;
    --tono-gris-2:       #B5B5AD;
    --tono-gris-3:       #6F6F66;

    --tono-rojo:         #C0392B;
    --tono-rojo-dark:    #962E22;
    --tono-amarillo:     #B58809;

    --radio:             12px;
    --radio-grande:      16px;
    --sombra:            0 2px 6px rgba(25, 25, 25, .08);
    --sombra-grande:     0 8px 24px rgba(25, 25, 25, .12);
}

/* Reset y base ------------------------------------------------------------ */
#tono-pwa-root,
#tono-pwa-root *,
#tono-pwa-root *::before,
#tono-pwa-root *::after {
    box-sizing: border-box;
}

#tono-pwa-root {
    font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
    color: var(--tono-negro);
    background: var(--tono-blanco);
    min-height: 100vh;
    padding: 0;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}

.tono-app {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px 48px;
}

/* Cabecera fija ---------------------------------------------------------- */
.tono-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--tono-gris-1);
    margin-bottom: 24px;
}

.tono-header__title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--tono-negro);
    margin: 0;
}

.tono-header__title small {
    display: block;
    font-size: 11px;
    color: var(--tono-gris-3);
    letter-spacing: 2px;
    font-weight: 400;
    margin-top: 2px;
}

.tono-header__centro {
    text-align: right;
    font-size: 13px;
    color: var(--tono-gris-3);
}

.tono-header__centro strong {
    display: block;
    color: var(--tono-negro);
    font-weight: 600;
}

/* Loader y banners ------------------------------------------------------- */
.tono-loader {
    display: flex;
    justify-content: center;
    padding: 48px 0;
    color: var(--tono-gris-3);
    font-size: 14px;
}

.tono-banner {
    padding: 14px 16px;
    border-radius: var(--radio);
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.4;
}
.tono-banner--error {
    background: #fdecea;
    color: var(--tono-rojo-dark);
    border-left: 4px solid var(--tono-rojo);
}
.tono-banner--warning {
    background: #fdf3da;
    color: var(--tono-amarillo);
    border-left: 4px solid var(--tono-amarillo);
}
.tono-banner--success {
    background: #e7f5e8;
    color: #2b6a31;
    border-left: 4px solid #4caf50;
}

/* Botones ---------------------------------------------------------------- */
.tono-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 22px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radio);
    border: none;
    cursor: pointer;
    transition: background .15s, transform .05s;
    text-decoration: none;
    line-height: 1;
    min-height: 50px;
    -webkit-appearance: none;
}
.tono-btn:active { transform: scale(0.98); }

.tono-btn--primary {
    background: var(--tono-verde);
    color: var(--tono-blanco);
}
.tono-btn--primary:hover { background: var(--tono-verde-dark); }

.tono-btn--secondary {
    background: var(--tono-crema);
    color: var(--tono-negro);
}
.tono-btn--secondary:hover { background: #c4baa5; }

.tono-btn--danger {
    background: var(--tono-rojo);
    color: var(--tono-blanco);
}
.tono-btn--danger:hover { background: var(--tono-rojo-dark); }

.tono-btn--ghost {
    background: transparent;
    color: var(--tono-gris-3);
    border: 1px solid var(--tono-gris-2);
}
.tono-btn--ghost:hover { background: var(--tono-gris-1); }

.tono-btn--block {
    display: flex;
    width: 100%;
}

.tono-btn--big {
    padding: 22px 24px;
    font-size: 18px;
    min-height: 70px;
}

.tono-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Dashboard de máquinas -------------------------------------------------- */
.tono-machines {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.tono-machine-card {
    background: #fff;
    border: 1px solid var(--tono-gris-1);
    border-radius: var(--radio-grande);
    padding: 16px 18px;
    box-shadow: var(--sombra);
}

.tono-machine-card__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.tono-machine-card__name {
    font-size: 17px;
    font-weight: 600;
    margin: 0;
}

.tono-machine-card__type {
    font-size: 12px;
    color: var(--tono-gris-3);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.tono-machine-card__status {
    font-size: 13px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    white-space: nowrap;
}
.tono-machine-card__status--libre {
    background: #e7f5e8;
    color: #2b6a31;
}
.tono-machine-card__status--ocupada {
    background: #fdecea;
    color: var(--tono-rojo-dark);
}

.tono-machine-card__session {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--tono-gris-1);
    font-size: 13px;
    color: var(--tono-gris-3);
}
.tono-machine-card__session strong {
    color: var(--tono-negro);
    font-weight: 500;
}

.tono-machine-card__timer {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    background: var(--tono-crema);
    color: var(--tono-negro);
    font-weight: 600;
    border-radius: 6px;
    font-variant-numeric: tabular-nums;
}
.tono-machine-card__timer--alerta {
    background: #ffd8d6;
    color: var(--tono-rojo-dark);
    animation: tono-blink 1s ease-in-out infinite;
}

@keyframes tono-blink {
    50% { opacity: 0.55; }
}

/* Cliente identificado --------------------------------------------------- */
.tono-client {
    background: #fff;
    border: 1px solid var(--tono-gris-1);
    border-radius: var(--radio-grande);
    padding: 20px;
    box-shadow: var(--sombra);
}

.tono-client__name {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 4px;
}
.tono-client__email {
    color: var(--tono-gris-3);
    font-size: 13px;
    margin-bottom: 16px;
}

.tono-bono {
    margin-top: 14px;
    padding: 14px;
    border: 1px solid var(--tono-gris-1);
    border-radius: var(--radio);
    background: var(--tono-blanco);
}
.tono-bono__name {
    font-weight: 600;
    margin: 0 0 8px;
}
.tono-bono__saldos {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.tono-saldo-chip {
    padding: 6px 10px;
    background: var(--tono-gris-1);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}
.tono-saldo-chip--compatible {
    background: #e7f5e8;
    color: #2b6a31;
}
.tono-saldo-chip--vacio {
    opacity: 0.4;
}

/* Form de activación ---------------------------------------------------- */
.tono-form-group {
    margin-bottom: 18px;
}
.tono-form-group__label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--tono-gris-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tono-select {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--tono-gris-2);
    border-radius: var(--radio);
    font-family: inherit;
    font-size: 15px;
    background: #fff;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'><path fill='%23656B36' d='M1 1l6 6 6-6'/></svg>");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

.tono-duration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}
.tono-duration-btn {
    padding: 14px 0;
    background: #fff;
    border: 1px solid var(--tono-gris-2);
    border-radius: var(--radio);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
}
.tono-duration-btn:hover { border-color: var(--tono-verde); }
.tono-duration-btn--selected {
    background: var(--tono-verde);
    color: #fff;
    border-color: var(--tono-verde);
}

.tono-input-custom {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--tono-gris-2);
    border-radius: var(--radio);
    font-family: inherit;
    font-size: 15px;
}

/* Pantalla de sesión activa --------------------------------------------- */
.tono-session-active {
    text-align: center;
    padding: 32px 16px;
}
.tono-session-active__timer {
    font-size: 96px;
    font-weight: 700;
    color: var(--tono-verde);
    letter-spacing: -2px;
    margin: 16px 0;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}
.tono-session-active__timer--alerta {
    color: var(--tono-rojo);
    animation: tono-blink 0.8s ease-in-out infinite;
}
.tono-session-active__meta {
    color: var(--tono-gris-3);
    font-size: 14px;
    margin-bottom: 24px;
}
.tono-session-active__meta strong {
    color: var(--tono-negro);
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
}

.tono-session-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

/* QR scanner ------------------------------------------------------------ */
.tono-scanner {
    background: #000;
    border-radius: var(--radio-grande);
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}
#tono-qr-reader {
    width: 100% !important;
    aspect-ratio: 1 / 1;
}
#tono-qr-reader video {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
}
#tono-qr-reader__dashboard_section_csr,
#tono-qr-reader__scan_region img {
    display: none !important;
}

/* Modal ----------------------------------------------------------------- */
.tono-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    z-index: 9999;
}
.tono-modal {
    background: #fff;
    border-radius: var(--radio-grande);
    max-width: 460px;
    width: 100%;
    padding: 24px;
    box-shadow: var(--sombra-grande);
}
.tono-modal__title {
    font-size: 19px;
    font-weight: 600;
    margin: 0 0 8px;
}
.tono-modal__text {
    color: var(--tono-gris-3);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 16px;
}
.tono-modal__actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 16px;
}

/* Helpers --------------------------------------------------------------- */
.tono-stack > * + * { margin-top: 16px; }
.tono-text-center { text-align: center; }
.tono-mb { margin-bottom: 16px; }
.tono-mt { margin-top: 16px; }
.tono-small { font-size: 13px; color: var(--tono-gris-3); }

/* Responsive ------------------------------------------------------------ */
@media (max-width: 480px) {
    .tono-app { padding: 16px 12px 32px; }
    .tono-header__title { font-size: 19px; }
    .tono-session-active__timer { font-size: 76px; }
    .tono-session-actions { grid-template-columns: 1fr; }
}