/* =====================================================
    GENERADOR DE CÓDIGOS DE BARRAS - ESTILOS OPTIMIZADOS
   ===================================================== */

/* === VARIABLES DE COLOR === */
:root {
    --bg-color: #f0f2f5;
    --card-bg-color: #ffffff;
    --text-color: #333333;
    --label-color: #555555;
    --hint-color: #666666;
    --primary-color: #1e3a8a;
    --primary-color-hover: #1c3172;
    --border-color: #cccccc;
    --input-focus-shadow: rgba(30, 58, 138, 0.1);
    --display-bg-color: #f9f9f9;
    --display-border-color: #dddddd;
    --disabled-btn-bg: #a0aec0;
    --barcode-line-color: #000000;
    
    /* Layout variables */
    --card-width: 500px;
    --card-height: 100%;
    --card-gap: 1.5rem;
    --card-pad: 2.5rem;
}

[data-theme="dark"] {
    --bg-color: #1a202c;
    --card-bg-color: #2d3748;
    --text-color: #e2e8f0;
    --label-color: #a0aec0;
    --hint-color: #a0aec0;
    --primary-color: #63b3ed;
    --primary-color-hover: #4299e1;
    --border-color: #4a5568;
    --input-focus-shadow: rgba(90, 103, 216, 0.2);
    --display-bg-color: #1e2533;
    --display-border-color: #4a5568;
    --disabled-btn-bg: #4a5568;
    --barcode-line-color: #ffffff;
}

/* === RESET Y BASE === */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 95vh;
    margin: 0;
    padding: 1rem;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* === LAYOUT PRINCIPAL === */
#app-stage {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: var(--card-gap);
    width: calc(var(--card-width) + 2 * var(--card-pad));
    position: relative;
    left: calc((var(--card-width) + 3 * (var(--card-gap))) / 2);
    transform: translateX(0);
    transition: transform 0.4s ease-in-out;
}

#app-stage.generator-view-active {
    transform: translateX(calc(-1 * ((var(--card-width) + var(--card-gap)) / 2)));
    left: calc((var(--card-width) + var(--card-gap)) / 2);
}

.container {
    position: relative;
    background-color: var(--card-bg-color);
    padding: var(--card-pad);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    width: var(--card-width);
    max-width: var(--card-width);
    text-align: center;
    transition: background-color 0.3s;
    flex-shrink: 0;
}

.preview-card {
    width: var(--card-width);
    flex-shrink: 0;
    background-color: var(--card-bg-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease-in-out 0.1s, transform 0.3s ease-in-out 0.1s;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

#app-stage.generator-view-active .preview-card {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.hidden {
    display: none !important;
}

/* === ANIMACIONES DE PANTALLA === */
.screen-content {
    transition: opacity 0.2s ease-in-out;
}

.screen-content-hidden {
    opacity: 0;
    pointer-events: none;
}

/* === TIPOGRAFÍA === */
h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.subtitle {
    color: var(--label-color);
    margin-top: -1rem;
    margin-bottom: 2rem;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--label-color);
}

/* === SISTEMA DE BOTONES UNIFICADO === */
.btn-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    background-color: var(--display-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
    text-align: center;
}

.btn-nav:hover {
    transform: translateY(-3px);
    background-color: var(--input-focus-shadow);
    border-color: var(--primary-color);
}

.btn-nav i {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-color-hover);
}

.btn-primary:disabled {
    background-color: var(--disabled-btn-bg);
    cursor: not-allowed;
    color: var(--text-color);
}

.btn-icon, .btn-icon-in {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--label-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background-color 0.2s;
}

.btn-icon-in {
    padding: 0.25rem;
}

.btn-icon:hover, .btn-icon-in:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

.btn-icon i{
    font-size: 1.8rem;
}

.btn-icon-in i {
    font-size: 1.5rem;
}

.btn-back {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
    padding: 0.5rem;
    border-radius: 8px;
    color: var(--label-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    z-index: 10;
}

.btn-back:hover {
    background-color: rgba(128, 128, 128, 0.1);
}

#theme-toggle-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    z-index: 10;
}

/* === GRILLAS DE BOTONES === */
.btn-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-grid.one-col {
    grid-template-columns: 1fr;
    max-width: 250px;
    margin-left: auto;
    margin-right: auto;
}

.btn-grid.two-col {
    grid-template-columns: repeat(2, 1fr);
}

.btn-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
}

/* Centrar el último elemento cuando hay número impar de elementos en grilla de 2 columnas */
.btn-grid.two-col .btn-nav:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: calc((100% - 1rem) / 2);
    margin: 0 auto;
    max-width: none;
}

/* === FORMULARIOS === */
.selector-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.selector-group .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.input-with-icon {
    position: relative;
}

.input-with-icon input {
    padding-right: 3rem;
}

.input-with-icon .btn-icon-in {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
}

select,
input,
textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg-color);
    color: var(--text-color);
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s, height 0.2s;
}

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

textarea {
    resize: none;
    overflow-y: auto;
    line-height: 1.5;
    min-height: 3rem;
    height: auto;
    /* El max-height se calculará dinámicamente en JS */
}

input[type="password"]::-ms-reveal,
input[type="password"]::-webkit-password-reveal-button {
    display: none;
}

/* === CHECKBOX PERSONALIZADO === */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    display: none;
}

.checkbox-group label::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--card-bg-color);
    transition: background-color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

.checkbox-group input[type="checkbox"]:checked + label::before {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26l2.974 2.99L8 2.193z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 50%;
}

.checkbox-group input[type="checkbox"]:focus + label::before {
    outline: none;
    box-shadow: 0 0 0 3px var(--input-focus-shadow);
}

/* === ÁREA DE VISUALIZACIÓN === */
#barcode-display {
    margin-top: 1rem;
    padding: 1.5rem;
    background-color: var(--display-bg-color);
    border: 1px dashed var(--display-border-color);
    border-radius: 8px;
    min-height: 150px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#qr-code-container svg {
    display: block;
}

/* === MENSAJES === */
#error-message {
    color: #d93025;
    margin-top: 0.5rem;
    font-weight: 500;
    min-height: 20px;
}

#hint {
    font-size: 0.9rem;
    color: var(--hint-color);
    margin-top: 0.5rem;
    text-align: left;
    min-height: 2.5em;
}

/* === CONTENEDORES === */
.save-container {
    margin-top: 2rem;
}

.generator-header {
    margin-bottom: 1.5rem;
}

.generator-header h1 {
    margin-bottom: 0;
    text-align: center;
}

/* === SCROLLBARS === */
textarea {
    scrollbar-width: thin;
    scrollbar-color: var(--label-color) var(--card-bg-color);
}

textarea::-webkit-scrollbar {
    width: 12px;
}

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

textarea::-webkit-scrollbar-thumb {
    background-color: var(--label-color);
    border-radius: 10px;
    border: 3px solid var(--card-bg-color);
}

textarea::-webkit-scrollbar-thumb:hover {
    background-color: var(--primary-color);
}

/* === INTEGRACIÓN AIR DATEPICKER === */
:root .air-datepicker {
    --adp-background-color: var(--card-bg-color);
    --adp-background-color-hover: var(--input-focus-shadow);
    --adp-background-color-active: var(--input-focus-shadow);
    --adp-color: var(--text-color);
    --adp-color-secondary: var(--label-color);
    --adp-accent-color: var(--primary-color);
    --adp-color-other-month: var(--hint-color);
    --adp-color-disabled: var(--disabled-btn-bg);
    --adp-border-color: var(--border-color);
    --adp-border-color-inner: var(--border-color);
    --adp-border-color-inline: var(--border-color);
    --adp-day-name-color: var(--primary-color);
    --adp-cell-background-color-selected: var(--primary-color);
    --adp-cell-background-color-selected-hover: var(--primary-color-hover);
    --adp-time-track-color: var(--border-color);
    --adp-time-track-color-hover: var(--primary-color);
    border-radius: 12px;
}

[data-theme="dark"] .air-datepicker {
    --adp-background-color: var(--card-bg-color);
    --adp-background-color-hover: var(--input-focus-shadow);
    --adp-background-color-active: var(--input-focus-shadow);
    --adp-color: var(--text-color);
    --adp-color-secondary: var(--label-color);
    --adp-accent-color: var(--primary-color);
    --adp-color-other-month: var(--hint-color);
    --adp-color-disabled: var(--disabled-btn-bg);
    --adp-border-color: var(--border-color);
    --adp-border-color-inner: var(--border-color);
    --adp-border-color-inline: var(--border-color);
    --adp-day-name-color: var(--primary-color);
    --adp-cell-background-color-selected: var(--primary-color);
    --adp-cell-background-color-selected-hover: var(--primary-color-hover);
    --adp-time-track-color: var(--border-color);
    --adp-time-track-color-hover: var(--primary-color);
}

[data-theme="dark"] .air-datepicker--pointer:after {
    background: var(--card-bg-color);
}

/* Estilos específicos para el timepicker */
.air-datepicker--time, .air-datepicker-time {
    padding: 0.2rem !important;
    border-top: none !important;
}

.air-datepicker--time .air-datepicker-time--current {
    padding: 0.2rem !important;
    border-top: none !important;
}

/* === RESPONSIVO === */
@media (max-width: 768px) {
    body {
        padding: 0.5rem;
        overflow-y: auto;
        min-height: 95vh;
    }

    h1 {
        margin-top: 2.5rem
    }

    #app-stage {
        flex-direction: column;
        gap: calc(var(--card-gap) / 2);
        transform: translateY(0);
        transition: transform 0.4s ease-in-out;
        left: 0;
    }

    #app-stage.generator-view-active {
        transform: translateY(calc(-1 * ((var(--card-width) + var(--card-gap)) / 2)));
        top: calc((var(--card-width) + var(--card-gap)) / 2);
        left: 0;
    }

    .container, .preview-card {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        flex-shrink: 1;
    }

    .preview-card {
        display: none;
        opacity: 1;
        transform: none;
    }

    #app-stage.generator-view-active .preview-card {
        display: flex;
    }

    .container {
        padding: 1.5rem;
    }

    .btn-grid.three-col {
        grid-template-columns: repeat(2, 1fr);
    }

    /* En responsive, centrar el último elemento cuando hay número impar */
    .btn-grid.three-col .btn-nav:last-child:nth-child(odd) {
        grid-column: 1 / -1;
        width: calc((100% - 1rem) / 2);
        margin: 0 auto;
        max-width: none;
    }
}

@media (hover: none) and (pointer: coarse) {
    .btn-nav:hover {
        transform: none;
        background-color: var(--display-bg-color);
        border-color: var(--border-color);
    }
    
    .btn-nav:active {
        transform: scale(0.98);
        background-color: var(--input-focus-shadow);
        border-color: var(--primary-color);
    }
}

/* === UTILIDADES === */
#event-start-date,
#event-start-time,
#event-end-date,
#event-end-time {
    cursor: pointer;
    background-color: var(--card-bg-color);
}

/* Hacer los campos de fecha readonly para evitar escritura manual */
#event-start-date,
#event-start-time,
#event-end-date,
#event-end-time {
    pointer-events: auto;
}