/* ========================================
   Sistema de Calificaciones de Servicio
   Estilos CSS
   ======================================== */

:root {
    --color-primary: #FF6B35;
    --color-primary-dark: #E55A2B;
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #f7e123;
    --color-white: #ffffff;
    --color-border: #dddddd;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 480px;
    min-height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

@media (min-width: 481px) {
    .container {
        min-height: auto;
        border-radius: var(--border-radius);
        margin: 20px;
    }
}

/* ========================================
   Screens
   ======================================== */

.screen {
    display: none;
    flex-direction: column;
    padding: 30px 24px;
    padding-bottom: 100px; /* Espacio para el footer */
    min-height: 100vh;
}

@media (min-width: 481px) {
    .screen {
        min-height: 600px;
    }
}

.screen.active {
    display: flex;
}

/* ========================================
   Header
   ======================================== */

header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    max-width: 120px;
    max-height: 80px;
    margin-bottom: 16px;
    object-fit: contain;
}

.logo.hidden {
    display: none;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.store-name {
    font-size: 1rem;
    color: var(--color-text-light);
}

/* ========================================
   Main Content
   ======================================== */

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

main h2 {
    font-size: 1.4rem;
    text-align: center;
    margin-bottom: 12px;
    color: var(--color-text);
}

.instruction {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 32px;
    font-size: 1rem;
}

/* ========================================
   Input Group
   ======================================== */

.input-group {
    margin-bottom: 24px;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    outline: none;
}

.input-group input:focus,
.input-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.input-group input.error {
    border-color: var(--color-error);
}

.error-text {
    display: block;
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 6px;
}

.error-text.hidden {
    display: none;
}

/* Input con prefijo */
.input-with-prefix {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.input-with-prefix:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.invoice-prefix {
    display: flex;
    align-items: center;
    padding: 16px;
    background: var(--color-background);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    border-right: 2px solid var(--color-border);
}

.input-with-prefix input {
    flex: 1;
    border: none;
    border-radius: 0;
    padding: 16px;
    font-size: 1.1rem;
}

.input-with-prefix input:focus {
    border: none;
    box-shadow: none;
}

/* ========================================
   Buttons
   ======================================== */

.btn-primary,
.btn-secondary {
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text-light);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text-light);
    color: var(--color-text);
}

.button-group {
    display: flex;
    gap: 12px;
    margin-top: auto;
    padding-top: 24px;
}

.button-group .btn-secondary {
    flex: 0 0 auto;
}

.button-group .btn-primary {
    flex: 1;
}

/* ========================================
   Rating Options
   ======================================== */

.invoice-display {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 32px;
    font-size: 0.95rem;
}

.invoice-display strong {
    color: var(--color-text);
}

.rating-options {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.rating-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 24px;
    background: var(--color-white);
    border: 3px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    min-width: 100px;
}

.rating-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.rating-btn.selected {
    border-color: var(--color-primary);
    background: rgba(255, 107, 53, 0.1);
    transform: scale(1.05);
}

.rating-btn .rating-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 8px;
    transition: var(--transition);
}

.rating-btn:hover .rating-img {
    transform: scale(1.1);
}

.rating-btn.selected .rating-img {
    transform: scale(1.15);
}

.rating-btn .label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ========================================
   Comment Section
   ======================================== */

.comment-section {
    margin-bottom: 24px;
}

.comment-section label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.comment-section textarea {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    outline: none;
    resize: vertical;
    font-family: inherit;
}

.comment-section textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.char-count {
    display: block;
    text-align: right;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* ========================================
   Loading & Status Screens
   ======================================== */

#loading-screen,
#submitting-screen {
    align-items: center;
    justify-content: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

/* ========================================
   Error Screen
   ======================================== */

#error-screen {
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

#error-screen h2 {
    color: var(--color-error);
    margin-bottom: 12px;
}

#error-screen p {
    color: var(--color-text-light);
}

/* ========================================
   Thanks Screen
   ======================================== */

#thanks-screen {
    align-items: center;
    justify-content: center;
}

.thanks-content {
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--color-success);
    color: var(--color-white);
    font-size: 3rem;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.thanks-content h2 {
    color: var(--color-success);
    margin-bottom: 12px;
}

.thanks-content p {
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.countdown {
    font-size: 0.9rem;
    margin-top: 24px;
}

/* ========================================
   QR Section
   ======================================== */

.qr-section {
    margin: 24px 0;
    padding: 20px;
    background: var(--color-background);
    border-radius: var(--border-radius);
}

.qr-text {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
}

.qr-code {
    width: 150px;
    height: 150px;
    object-fit: contain;
    margin-bottom: 12px;
}

.qr-instruction {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ========================================
   Setup/Admin Screen
   ======================================== */

#setup-screen {
    align-items: center;
    justify-content: center;
}

.setup-content {
    text-align: center;
    width: 100%;
    max-width: 320px;
}

.setup-content h2 {
    color: var(--color-primary);
    margin-bottom: 24px;
}

.setup-content p {
    color: var(--color-text);
    margin-bottom: 16px;
}

.setup-content .input-group {
    margin-bottom: 20px;
}

.setup-content input,
.setup-content select {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.setup-content input:focus,
.setup-content select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.setup-content select {
    text-align: left;
    cursor: pointer;
    background: var(--color-white);
}

.setup-hint {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 16px;
}

.btn-fullscreen {
    width: 100%;
    margin-top: 24px;
    padding: 12px 24px;
}

#pin-section,
#sede-section {
    transition: var(--transition);
}

/* ========================================
   Footer
   ======================================== */

.app-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid var(--color-border);
    font-size: 0.60rem;
    color: var(--color-text-light);
}

.app-footer p {
    margin: 2px 0;
}

.app-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.app-footer a:hover {
    text-decoration: underline;
}

/* ========================================
   Utilities
   ======================================== */

.hidden {
    display: none !important;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 360px) {
    .rating-options {
        gap: 8px;
    }

    .rating-btn {
        padding: 16px;
        min-width: 80px;
    }

    header h1 {
        font-size: 1.5rem;
    }
}

/* ========================================
   Touch Device Optimizations
   ======================================== */

@media (hover: none) {
    .btn-primary:hover:not(:disabled),
    .rating-btn:hover {
        transform: none;
        box-shadow: none;
    }

    .rating-btn.selected {
        transform: none;
    }
}