:root {
    /* Tema Minimalista (Por Defecto) */
    --bg-color: #f1f5f9;
    --container-bg: #ffffff;
    --text-main: #002147; /* Azul Oxford */
    --text-muted: #36454f; /* Gris Carbón */
    --border-color: #e2e8f0;
    --primary-color: #002147;
    --primary-hover: #00152e;
    --btn-action-bg: #002147;
    --btn-action-text: #ffffff;
    --btn-secondary-bg: #f8fafc;
    --btn-secondary-text: #002147;
    --btn-secondary-border: #cbd5e1;
    --btn-secondary-hover: #e2e8f0;
    
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --border-radius: 12px;
    --border-radius-btn: 8px;
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.25s ease;
    --bow-display: none;
    --title-style: normal;
}

[data-theme="coquette"] {
    /* Tema Coquette / Femenino */
    --bg-color: #ffe4e1; /* MistyRose */
    --container-bg: #fff0f5; /* LavenderBlush */
    --text-main: #5d4037;
    --text-muted: #8d6e63;
    --border-color: #ffb7b2;
    --primary-color: #f48fb1;
    --primary-hover: #f06292;
    --btn-action-bg: linear-gradient(135deg, #ffb7b2 0%, #e28495 100%);
    --btn-action-text: #ffffff;
    --btn-secondary-bg: #ffffff;
    --btn-secondary-text: #e28495;
    --btn-secondary-border: #ffb7b2;
    --btn-secondary-hover: #ffe4e1;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --border-radius: 30px;
    --border-radius-btn: 25px;
    --box-shadow: 0 15px 35px rgba(226, 132, 149, 0.2);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --bow-display: block;
    --title-style: italic;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    transition: background-color var(--transition), color var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    -webkit-font-smoothing: antialiased;
}

/* Header & Theme Switch */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    width: 100%;
    max-width: 480px;
    margin-bottom: 2rem;
    gap: 0.75rem;
}

.theme-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 64px;
    height: 36px;
}

.theme-switch input { 
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #002147;
    transition: .4s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 6px;
}

.slider.round {
    border-radius: 36px;
}

.slider.round:before {
    position: absolute;
    content: "";
    height: 28px;
    width: 28px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

input:checked + .slider {
    background-color: #e28495;
}

input:checked + .slider:before {
    transform: translateX(28px);
}

.coquette-icon, .minimal-icon {
    font-size: 14px;
    z-index: 1;
}

/* App Container */
.app-container {
    background: var(--container-bg);
    width: 100%;
    max-width: 480px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    transition: var(--transition);
}

.app-header {
    text-align: center;
    position: relative;
}

.app-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-style: var(--title-style);
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.bow-decoration {
    display: var(--bow-display);
    font-size: 2.5rem;
    position: absolute;
    top: -15px;
    right: 5px;
    transform: rotate(20deg);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(20deg); }
    50% { transform: translateY(-5px) rotate(25deg); }
    100% { transform: translateY(0px) rotate(20deg); }
}

/* Counter Display */
.counter-display {
    text-align: center;
    background: var(--bg-color);
    padding: 3rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.counter-display .value {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 600;
    line-height: 1;
    color: var(--primary-color);
    word-break: break-word;
    transition: transform 0.15s ease-out;
}

/* Controls */
.controls-main {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-body);
    font-weight: 500;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.btn:active {
    transform: scale(0.92);
}

.btn-action {
    background: var(--btn-action-bg);
    color: var(--btn-action-text);
    border-radius: var(--border-radius-btn);
    min-width: 72px;
    height: 72px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn-action:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.btn-action:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--btn-secondary-border);
    border-radius: 50%;
    min-width: 52px;
    height: 52px;
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover);
}

.icon {
    width: 28px;
    height: 28px;
}

/* Settings */
.settings-panel {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.input-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.input-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    flex: 1;
    min-width: 100px;
}

.input-group input {
    width: 90px;
    height: 44px;
    padding: 0 0.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-btn);
    background: var(--bg-color);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.1);
}

[data-theme="coquette"] .input-group input:focus {
    box-shadow: 0 0 0 3px rgba(226, 132, 149, 0.2);
}

.btn-small {
    background: var(--btn-secondary-bg);
    color: var(--text-main);
    border: 1px solid var(--btn-secondary-border);
    border-radius: var(--border-radius-btn);
    padding: 0 1rem;
    height: 44px;
    font-weight: 500;
    font-size: 0.9rem;
}

.btn-small:hover {
    background: var(--btn-secondary-hover);
}

/* History Panel */
.history-panel {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.history-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-main);
    font-style: var(--title-style);
}

.btn-text {
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: underline;
    text-underline-offset: 3px;
    padding: 0.25rem 0.5rem;
}

.btn-text:hover {
    color: var(--text-main);
}

.history-list {
    list-style: none;
    max-height: 220px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-right: 0.5rem;
}

.history-list::-webkit-scrollbar {
    width: 6px;
}
.history-list::-webkit-scrollbar-track {
    background: transparent; 
}
.history-list::-webkit-scrollbar-thumb {
    background: var(--border-color); 
    border-radius: 10px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1rem;
    background: var(--bg-color);
    border-radius: var(--border-radius-btn);
    font-size: 0.9rem;
    color: var(--text-muted);
    animation: slideIn 0.3s ease-out forwards;
    border: 1px solid var(--border-color);
}

.history-item.add {
    border-left: 4px solid #4ade80;
}

.history-item.subtract {
    border-left: 4px solid #f87171;
}

.history-item.reset {
    border-left: 4px solid #94a3b8;
}

.history-item.initial {
    border-left: 4px solid #60a5fa;
}

.history-item .empty-state {
    text-align: center;
    width: 100%;
    color: var(--text-muted);
    font-style: italic;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.history-value {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1rem;
}

.history-time {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Media Queries */
/* Mobile (es nuestro base, pero ajustamos un poco) */
@media (max-width: 380px) {
    .app-container {
        padding: 1.5rem;
    }
    .btn-action {
        min-width: 60px;
        height: 60px;
    }
    .counter-display .value {
        font-size: 4rem;
    }
}

/* Desktop & Tablets */
@media (min-width: 768px) {
    body {
        padding: 3rem 2rem;
    }
    .app-container {
        padding: 2.5rem 3rem;
    }
    .history-list {
        max-height: 300px;
    }
}