/* ============================================
   GENERADOR DE APODOS - ESTILO MEXICANO 🇲🇽
   Colores vibrantes inspirados en la cultura mexicana
   ============================================ */

:root {
    /* Colores Mexicanos Vibrantes */
    --verde-mexico: #006847;
    --verde-claro: #50C878;
    --rojo-mexico: #CE1126;
    --rojo-claro: #FF6B6B;
    --rosa-mexicano: #E4007C;
    --rosa-fuerte: #FF1493;
    --amarillo-sol: #FFD700;
    --amarillo-maiz: #FDB750;
    --naranja-fuego: #FF6B35;
    --azul-talavera: #0047AB;
    --morado-bugambilia: #8B008B;
    
    /* Colores de Fondo */
    --bg-principal: #FFF8DC;
    --bg-card: #FFFFFF;
    --bg-input: #FFF9F0;
    --bg-pattern: rgba(255, 215, 0, 0.1);
    
    /* Gradientes Festivos */
    --gradient-principal: linear-gradient(135deg, #006847 0%, #50C878 50%, #FFD700 100%);
    --gradient-boton: linear-gradient(135deg, #CE1126 0%, #FF6B35 50%, #FFD700 100%);
    --gradient-hover: linear-gradient(135deg, #8B008B 0%, #E4007C 50%, #FF1493 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FFF8DC 100%);
    
    /* Bordes y Sombras */
    --border-festivo: #FFD700;
    --border-decorativo: #FF6B35;
    --text-primary: #2C1810;
    --text-secondary: #5D4037;
    --text-muted: #8D6E63;
    
    /* Sombras Mexicanas (más pronunciadas) */
    --shadow-sm: 0 2px 8px rgba(206, 17, 38, 0.15);
    --shadow-md: 0 4px 16px rgba(206, 17, 38, 0.2);
    --shadow-lg: 0 8px 32px rgba(206, 17, 38, 0.25);
    --shadow-xl: 0 12px 48px rgba(206, 17, 38, 0.3);
    --shadow-fiesta: 0 0 40px rgba(255, 215, 0, 0.4);
    
    /* Radios y Transiciones */
    --radius: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


/* Patrón de Fondo Mexicano */
.mexican-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, var(--verde-mexico) 35px, var(--verde-mexico) 36px),
        repeating-linear-gradient(-45deg, transparent, transparent 35px, var(--rojo-mexico) 35px, var(--rojo-mexico) 36px);
}


/* Grid Principal */
.main-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: start;
    padding: 20px 0;
    justify-content: center;
}

/* ============================================
   PANEL DE CONTROL
   ============================================ */
.control-panel {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 4px solid var(--border-festivo);
    box-shadow: var(--shadow-lg), inset 0 2px 4px rgba(255, 255, 255, 0.5);
    padding: 32px;
    width: 100%;
    max-width: 500px;
    transition: var(--transition);
}

.control-panel:hover {
    box-shadow: var(--shadow-xl), var(--shadow-fiesta);
    border-color: var(--naranja-fuego);
    transform: translateY(-2px);
}

/* Header del Panel */
.panel-header {
    text-align: center;
    margin-bottom: 28px;
    position: relative;
}

.sombrero-icon {
    font-size: 48px;
    margin-bottom: 12px;
    animation: bounce 2s infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

@keyframes bounce {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.panel-title {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 8px;
    background: var(--gradient-principal);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 1px;
}

.panel-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 700;
    font-style: italic;
}

/* Grupos de Input */
.input-group {
    margin-bottom: 20px;
}

.input-group:last-of-type {
    margin-bottom: 0;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.label-icon {
    font-size: 20px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 18px;
    border: 3px solid var(--border-festivo);
    border-radius: var(--radius);
    background: var(--bg-input);
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
    font-weight: 600;
    color: var(--text-primary);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--verde-mexico);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(0, 104, 71, 0.15), var(--shadow-md);
    transform: translateY(-2px);
}

.input-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M4 6L8 10L12 6' stroke='%23CE1126' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 50px;
}

/* Sección de Decoraciones */
.decorations-section {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 107, 53, 0.2));
    border-radius: var(--radius);
    padding: 20px;
    margin: 24px 0;
    border: 3px dashed var(--naranja-fuego);
    position: relative;
    overflow: hidden;
}

.decorations-section::before {
    content: '🎊🎉🎊🎉🎊🎉🎊';
    position: absolute;
    top: -10px;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 20px;
    opacity: 0.3;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
}

.papel-picado-icon {
    font-size: 24px;
    animation: swing 2s ease-in-out infinite;
}

@keyframes swing {
    0%, 100% { transform: rotate(-10deg); }
    50% { transform: rotate(10deg); }
}

.section-label {
    font-size: 16px;
    font-weight: 900;
    color: var(--rojo-mexico);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
}

/* Botón de Generar */
.generate-btn {
    width: 100%;
    padding: 18px 28px;
    background: var(--gradient-boton);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius);
    font-size: 18px;
    font-weight: 900;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 28px 0 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.generate-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(206, 17, 38, 0.5);
}

.generate-btn:hover:not(:disabled)::before {
    animation: shimmer 1.5s infinite;
}

.generate-btn:active:not(:disabled) {
    transform: translateY(-1px) scale(0.98);
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.btn-shimmer {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer-auto 3s infinite;
}

@keyframes shimmer-auto {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-icon {
    font-size: 24px;
    animation: rotate-star 4s linear infinite;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes rotate-star {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Caja de Consejos */
.tips-box {
    background: linear-gradient(135deg, #FFF9C4, #FFECB3);
    border: 3px solid var(--amarillo-sol);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-top: 20px;
    box-shadow: var(--shadow-sm);
}

.tips-title {
    font-weight: 900;
    color: var(--naranja-fuego);
    margin-bottom: 6px;
    font-size: 14px;
    text-transform: uppercase;
}

.tips-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 600;
}

kbd {
    background: #FFFFFF;
    border: 2px solid var(--verde-mexico);
    border-radius: 6px;
    padding: 3px 8px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: var(--verde-mexico);
}

/* Estado de Carga */
.loading-state {
    display: none;
    text-align: center;
    padding: 24px;
    color: var(--text-secondary);
    margin-top: 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-festivo);
    border-top: 4px solid var(--rojo-mexico);
    border-right: 4px solid var(--verde-mexico);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.control-panel.loading .loading-state {
    display: block;
}

.control-panel.loading .generate-btn {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Mensaje de Error */
.error-message {
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2);
    border: 3px solid var(--rojo-mexico);
    color: #B71C1C;
    padding: 16px 20px;
    border-radius: var(--radius);
    display: none;
    font-size: 15px;
    font-weight: 700;
    animation: shake 0.5s;
    box-shadow: var(--shadow-sm);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ============================================
   SECCIÓN DE RESULTADOS
   ============================================ */
.results-section {
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    border: 4px solid var(--border-decorativo);
    padding: 40px;
    display: none;
    box-shadow: var(--shadow-lg);
    width: 100%;
    flex: 1;
    min-width: 0;
}

/* Khi có results, hiển thị layout 2 cột */
.main-grid:has(.results-section.visible) {
    justify-content: flex-start;
}

.main-grid:has(.results-section.visible) .control-panel {
    position: sticky;
    top: 20px;
    flex-shrink: 0;
}

.results-section.visible {
    display: block;
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Header de Resultados */
.results-header {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
}

.fiesta-icon {
    font-size: 56px;
    margin-bottom: 12px;
    animation: fiesta-bounce 1s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

@keyframes fiesta-bounce {
    0%, 100% { transform: scale(1) rotate(-5deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.results-title {
    font-size: 36px;
    font-weight: 900;
    background: var(--gradient-hover);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.results-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 700;
    font-style: italic;
}

/* Grid de Apodos */
.nickname-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.nickname-item {
    background: linear-gradient(135deg, #FFFFFF, #FFF8DC);
    border: 3px solid var(--border-festivo);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nickname-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--gradient-boton);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nickname-item:hover {
    border-color: var(--rojo-mexico);
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(255, 215, 0, 0.5);
    background: linear-gradient(135deg, #FFFFFF, #FFFACD);
}

.nickname-item:hover::before {
    transform: scaleX(1);
}

.nickname-text {
    color: var(--text-primary);
    margin-bottom: 12px;
    word-break: break-all;
    line-height: 1.6;
    font-size: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.05);
}

.nickname-label {
    font-size: 12px;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 900;
    background: var(--gradient-principal);
    border-radius: 20px;
    padding: 6px 14px;
    display: inline-block;
    box-shadow: var(--shadow-sm);
}

.copy-indicator {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--verde-mexico);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    transform: scale(0.5) rotate(-45deg);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 104, 71, 0.5);
}

.nickname-item:hover .copy-indicator {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* Sección de Sugerencias */
.suggestions-section {
    margin-top: 40px;
}

.suggestions-divider {
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    padding: 12px 0;
}

.suggestions-divider::before,
.suggestions-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 38%;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--amarillo-sol), transparent);
}

.suggestions-divider::before {
    left: 0;
}

.suggestions-divider::after {
    right: 0;
}

.suggestions-divider span {
    background: var(--bg-card);
    padding: 0 20px;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.suggestions-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: var(--gradient-hover);
    color: #FFFFFF;
    text-decoration: none;
    padding: 18px 36px;
    border-radius: var(--radius);
    font-size: 18px;
    font-weight: 900;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.suggestions-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(228, 0, 124, 0.5);
}

.btn-icon-pulse {
    animation: pulse 1.5s infinite;
    font-size: 24px;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.btn-arrow {
    transition: transform 0.3s ease;
    font-size: 20px;
    font-weight: 900;
}

.suggestions-btn:hover .btn-arrow {
    transform: translateX(6px);
}

/* Toast de Notificación */
.toast {
    position: fixed;
    top: 30px;
    right: 30px;
    background: var(--gradient-principal);
    color: #FFFFFF;
    padding: 18px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 900;
    transform: translateX(500px);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1000;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 14px;
    border: 3px solid var(--amarillo-sol);
}

.toast.show {
    transform: translateX(0);
}

.toast-icon {
    font-size: 24px;
    animation: checkmark 0.5s ease;
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(-45deg);
    }
    50% {
        transform: scale(1.3) rotate(10deg);
    }
    100% {
        transform: scale(1) rotate(0);
    }
}

/* Animaciones de Entrada */
.nickname-item {
    animation: fadeInUp 0.5s ease forwards;
}

.nickname-item:nth-child(1) { animation-delay: 0.05s; }
.nickname-item:nth-child(2) { animation-delay: 0.1s; }
.nickname-item:nth-child(3) { animation-delay: 0.15s; }
.nickname-item:nth-child(4) { animation-delay: 0.2s; }
.nickname-item:nth-child(5) { animation-delay: 0.25s; }
.nickname-item:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE - MOBILE FIRST
   ============================================ */
@media (max-width: 1200px) {
    .main-grid {
        gap: 32px;
    }
    
    .control-panel {
        max-width: 480px;
    }
}

@media (max-width: 1024px) {
    .main-grid {
        gap: 32px;
    }
    
    .control-panel {
        max-width: 100%;
        position: static !important;
    }
    
    .main-grid:has(.results-section.visible) .control-panel {
        position: static !important;
    }
}

@media (max-width: 768px) {
    
    .main-grid {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-panel,
    .results-section {
        padding: 24px;
        max-width: 100%;
    }
    
    .nickname-grid {
        grid-template-columns: 1fr;
    }
    
    .panel-title {
        font-size: 26px;
    }
    
    .results-title {
        font-size: 28px;
    }
    
    .sombrero-icon {
        font-size: 40px;
    }
    
    .fiesta-icon {
        font-size: 48px;
    }
}

@media (max-width: 480px) {
    .panel-title {
        font-size: 22px;
    }
    
    .results-title {
        font-size: 24px;
    }
    
    .generate-btn {
        font-size: 16px;
        padding: 16px 24px;
    }
    
    .suggestions-btn {
        font-size: 16px;
        padding: 16px 28px;
    }
}

/* Elementos del Sistema (no eliminar) */
.symbol-item {
    background: transparent !important;
}

span.generated-text {
    font-size: 26px !important;
}