:root {
    /* Modo Claro - Estética Miniso/Cute */
    --bg-color: #FFF5F7;
    --text-color: #5A4B4E;
    --accent-color: #FFB7C5;
    --accent-hover: #FF9EAF;
    --box-bg: #FFFFFF;
    --shadow-color: rgba(255, 183, 197, 0.4);
    --transition-speed: 0.4s;
}

[data-theme="dark"] {
    /* Modo Oscuro - Tonos cálidos y relajantes */
    --bg-color: #1E1A1B;
    --text-color: #F8E9EB;
    --accent-color: #D67A8C;
    --accent-hover: #E88CA0;
    --box-bg: #2B2527;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, sans-serif;
    overscroll-behavior-y: none; 
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 20px;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.icon-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    align-self: flex-end;
    opacity: 0.7;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.icon-btn:active {
    transform: scale(0.8);
}

.daily-message {
    text-align: center;
    font-style: italic;
    font-weight: 300;
    opacity: 0.8;
    margin-top: 10px;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.counter-display {
    text-align: center;
    margin-bottom: 40px;
}

#today-count {
    font-size: 6rem;
    font-weight: 200;
    color: var(--accent-color);
    display: inline-block; /* Necesario para la animación */
}

.counter-label {
    margin: 0;
    font-size: 1.2rem;
    opacity: 0.6;
}

.stats-container {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    width: 100%;
    justify-content: center;
}

.stat-box {
    background: var(--box-bg);
    padding: 15px 20px;
    border-radius: 20px;
    box-shadow: 0 8px 16px var(--shadow-color);
    text-align: center;
    display: flex;
    flex-direction: column;
    min-width: 130px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
}

.stat-label {
    font-size: 0.8rem;
    opacity: 0.6;
    margin-top: 5px;
}

.btn-main {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: none;
    color: white;
    font-size: 3rem;
    font-weight: 200;
    box-shadow: 0 10px 25px var(--shadow-color);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: auto;
    margin-bottom: 40px;
    cursor: pointer;
    touch-action: manipulation; 
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-main:active {
    transform: scale(0.9);
    background-color: var(--accent-hover);
    box-shadow: 0 4px 10px var(--shadow-color);
}

/* Animación fluida al sumar un número */
@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.animate-pop {
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
/* Correcciones Íconos y Botones Secundarios */
.icon-btn svg {
    color: var(--text-color);
    transition: color 0.3s ease;
}

.action-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: auto;
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    cursor: pointer;
}

.btn-main svg {
    stroke-width: 1.5;
}

/* Temporizador */
.timer-box {
    background: var(--box-bg);
    padding: 15px 20px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px var(--shadow-color);
    width: 100%;
    max-width: 250px;
}

.timer-box.hidden {
    display: none;
}

#timer-display {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--text-color);
}

.music-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Buzón de Música */
.mailbox {
    background: var(--box-bg);
    padding: 15px;
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -4px 15px var(--shadow-color);
    margin-top: auto;
}

.mailbox-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.mailbox-content {
    display: flex;
    gap: 10px;
}

.music-input {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--shadow-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    outline: none;
}

.btn-send {
    background: var(--accent-color);
    border: none;
    border-radius: 12px;
    width: 45px;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
/* Marca de agua Hello Kitty */
.kitty-watermark {
    position: fixed;
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-10deg);
    width: 280px;
    opacity: 0.03; /* Extremadamente sutil */
    pointer-events: none;
    z-index: 0;
}

[data-theme="dark"] .kitty-watermark {
    opacity: 0.015;
}

/* Toast de Deshacer */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(150px);
    background: var(--text-color);
    color: var(--bg-color);
    padding: 12px 25px;
    border-radius: 30px;
    display: flex;
    gap: 20px;
    align-items: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
    font-size: 0.9rem;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.btn-text {
    background: none;
    border: none;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
}