@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* --- Thèmes Visuels --- */
:root, .theme-cosmic {
    --primary-bg: #0f0c29; --secondary-bg: #302b63; --tertiary-bg: #24243e;
    --text-color: #e0e0e0; --accent-color: #a29bfe; --header-color: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1); --shadow-color: rgba(0, 0, 0, 0.3);
    --success-color: #2ecc71;
}
.theme-nature {
    --primary-bg: #1A2E28; --secondary-bg: #3A5F4F; --tertiary-bg: #2C483F;
    --text-color: #E8F5E9; --accent-color: #A5D6A7; --header-color: #ffffff;
    --border-color: rgba(232, 245, 233, 0.2); --shadow-color: rgba(0, 0, 0, 0.4);
}
.theme-serenity {
    --primary-bg: #E3F2FD; --secondary-bg: #BBDEFB; --tertiary-bg: #D4E8F9;
    --text-color: #1E3A5F; --accent-color: #039BE5; --header-color: #0D47A1;
    --border-color: rgba(30, 58, 95, 0.2); --shadow-color: rgba(100, 100, 100, 0.2);
    --success-color: #00796B;
}

/* --- Styles Généraux --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; line-height: 1.8; display: flex; justify-content: center; align-items: flex-start; padding: 2rem 1rem; min-height: 100vh; transition: background 0.5s ease; background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg), var(--tertiary-bg)); color: var(--text-color); }
.container { max-width: 800px; width: 100%; background-color: rgba(0, 0, 0, 0.2); padding: 2rem 3rem; border-radius: 15px; box-shadow: 0 10px 30px var(--shadow-color); border: 1px solid var(--border-color); }

/* --- Header --- */
header { text-align: center; margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); }
.header-top-row { display: flex; justify-content: space-between; align-items: center; }
h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 0.2rem; color: var(--header-color); text-align: left; }
.subtitle { text-align: left; opacity: 0.8; }
.header-icons { display: flex; gap: 0.5rem; }
.icon-btn { background: var(--tertiary-bg); border: 1px solid var(--border-color); color: var(--text-color); font-size: 1.2rem; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; transition: all 0.2s; }
.icon-btn:hover { background-color: var(--accent-color); color: var(--primary-bg); }
.main-intention { font-style: italic; color: var(--accent-color); border-left: 3px solid var(--accent-color); padding-left: 1rem; margin: 1rem 0; text-align: left; }
.main-intention:empty { display: none; }
.header-buttons { display: flex; justify-content: center; gap: 1rem; margin-top: 1rem; margin-bottom: 1.5rem; }
.about-button, .progress-button { background-color: transparent; border: 1px solid var(--accent-color); color: var(--accent-color); padding: 0.6rem 1.2rem; border-radius: 20px; cursor: pointer; font-family: 'Poppins', sans-serif; transition: all 0.3s ease; }
.about-button:hover, .progress-button:hover { background-color: var(--accent-color); color: var(--primary-bg); }
.stats-display { display: flex; justify-content: center; gap: 2rem; margin: 1.5rem 0; }
.stat-item { text-align: center; }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--success-color); }
.stat-label { display: block; font-size: 0.8rem; opacity: 0.8; }
.day-navigation { display: flex; justify-content: center; align-items: center; gap: 1rem; flex-wrap: wrap; }
.day-selector-wrapper { display: flex; align-items: center; gap: 0.5rem; }
#day-selector { padding: 0.5rem 1rem; border-radius: 8px; border: 1px solid var(--accent-color); background-color: var(--secondary-bg); color: var(--header-color); font-family: 'Poppins', sans-serif; cursor: pointer; }
.nav-btn, .nav-btn-today { background-color: var(--secondary-bg); border: 1px solid var(--accent-color); color: var(--header-color); border-radius: 50%; cursor: pointer; font-size: 1.2rem; width: 40px; height: 40px; display: flex; justify-content: center; align-items: center; transition: all 0.2s; }
.nav-btn:hover, .nav-btn-today:hover { background-color: var(--accent-color); color: var(--primary-bg); transform: scale(1.1); }
.nav-btn-today { border-radius: 8px; width: auto; padding: 0 1rem; font-size: 0.9rem; }

/* --- Contenu Principal --- */
.main-content-wrapper { position: relative; min-height: 200px; }
.loader { position: absolute; top: 50px; left: 50%; transform: translateX(-50%); width: 40px; height: 40px; border: 4px solid var(--secondary-bg); border-top-color: var(--accent-color); border-radius: 50%; animation: spin 1s linear infinite; z-index: 10; }
@keyframes spin { to { transform: translateX(-50%) rotate(360deg); } }
main { margin-top: 2rem; }
main.hidden { opacity: 0; pointer-events: none; position: absolute; width: 100%; }
#exercise-title { font-size: 2rem; color: var(--accent-color); text-align: center; margin-bottom: 0.5rem; }
#exercise-theme { font-style: italic; margin-bottom: 2rem; font-weight: 300; text-align: center; }
.exercise-part, .sequences { margin-bottom: 2rem; padding: 1.5rem; background-color: rgba(255, 255, 255, 0.05); border-radius: 10px; }
.sequences { text-align: center; }
.sequences p { font-size: 1.5rem; letter-spacing: 0.2em; }

/* --- Section Interactive --- */
.interactive-section { margin-top: 2.5rem; text-align: center; }
.complete-btn { background-color: var(--accent-color); color: var(--header-color); border: none; padding: 0.8rem 2rem; font-size: 1rem; font-weight: 600; border-radius: 25px; cursor: pointer; transition: all 0.3s ease; margin-bottom: 2rem; }
.complete-btn:hover:not(:disabled) { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(162, 155, 254, 0.3); }
.complete-btn.completed, .complete-btn:disabled { background-color: var(--success-color); cursor: default; opacity: 0.7; transform: none; box-shadow: none; }
.journal-section label { display: block; margin-bottom: 0.5rem; font-weight: 400; color: var(--accent-color); text-align: left; }
#journal-text, #main-intention-input { width: 100%; min-height: 120px; background-color: rgba(0, 0, 0, 0.2); border: 1px solid var(--border-color); border-radius: 10px; padding: 1rem; color: var(--text-color); font-family: 'Poppins', sans-serif; resize: vertical; }
#journal-text:focus, #main-intention-input:focus { outline: none; border-color: var(--accent-color); }
#main-intention-input { min-height: 80px; }

/* --- Footer --- */
footer { text-align: center; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); font-size: 0.9rem; color: rgba(255, 255, 255, 0.7); }

/* --- Fenêtres Modales --- */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.modal-overlay.visible { opacity: 1; pointer-events: auto; }
.modal-content { background: linear-gradient(135deg, var(--secondary-bg), var(--primary-bg)); padding: 2rem 3rem; border-radius: 15px; max-width: 700px; width: 90%; max-height: 80vh; overflow-y: auto; position: relative; border: 1px solid var(--border-color); box-shadow: 0 10px 40px var(--shadow-color); transform: scale(0.95); transition: transform 0.3s ease; }
.modal-overlay.visible .modal-content { transform: scale(1); }
.modal-close-btn { position: absolute; top: 15px; right: 20px; background: none; border: none; color: var(--text-color); font-size: 2rem; cursor: pointer; line-height: 1; }
.modal-content h2 { color: var(--header-color); margin-bottom: 1.5rem; text-align: center; }
.modal-section { margin-bottom: 1.5rem; }
.settings-description { font-size: 0.9rem; opacity: 0.8; margin-bottom: 1rem; }

/* --- Calendrier --- */
.calendar-modal-content { max-width: 450px; }
.calendar-search-wrapper { margin-bottom: 1rem; }
#calendar-search { width: 100%; padding: 0.5rem; background-color: var(--tertiary-bg); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-color); font-family: 'Poppins', sans-serif; }
.calendar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.calendar-nav { background: none; border: none; color: var(--accent-color); font-size: 2rem; cursor: pointer; }
.calendar-grid { display: grid; }
.calendar-weekdays, .calendar-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.calendar-weekdays div { font-weight: 600; text-align: center; }
.calendar-day { display: flex; justify-content: center; align-items: center; height: 40px; border-radius: 50%; cursor: pointer; transition: background-color 0.2s; }
.calendar-day:not(.empty-day):hover { background-color: var(--tertiary-bg); }
.calendar-day.today { border: 2px solid var(--accent-color); }
.calendar-day.completed-day { background-color: rgba(46, 204, 113, 0.5); font-weight: bold; }
.calendar-day.search-result { border: 2px solid var(--success-color); box-shadow: 0 0 10px var(--success-color); }

/* --- Trophées & Paramètres --- */
.theme-selector { display: flex; gap: 1rem; justify-content: center; }
.theme-btn { padding: 0.5rem 1rem; border: 2px solid var(--accent-color); background: none; color: var(--accent-color); border-radius: 8px; cursor: pointer; font-weight: 600; }
.theme-btn.active { background: var(--accent-color); color: var(--primary-bg); }
.trophies-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 1.5rem; }
.trophy-item { text-align: center; }
.trophy-icon { font-size: 3rem; transition: all 0.4s ease; }
.trophy-item.locked .trophy-icon { filter: grayscale(1) blur(2px); transform: scale(0.8); }
.trophy-item.locked .trophy-title, .trophy-item.locked .trophy-desc { opacity: 0.5; }
.button-group { display: flex; gap: 1rem; justify-content: center; }
.export-button, .import-button { flex: 1; border: none; padding: 0.8rem; border-radius: 8px; font-weight: 600; cursor: pointer; transition: opacity 0.2s; font-size: 0.9rem; }
.export-button { background-color: var(--accent-color); color: var(--primary-bg); }
.import-button { background-color: transparent; border: 2px solid var(--accent-color); color: var(--accent-color); }
.export-button:hover, .import-button:hover { opacity: 0.8; }

/* --- Chatbot --- */
.fab { position: fixed; bottom: 2rem; right: 2rem; width: 60px; height: 60px; border-radius: 50%; background-color: var(--accent-color); color: var(--primary-bg); border: none; font-size: 2rem; display: flex; justify-content: center; align-items: center; box-shadow: 0 4px 15px rgba(0,0,0,0.3); cursor: pointer; transition: transform 0.2s ease; z-index: 999; }
.fab:hover { transform: scale(1.1); }
.chatbot-modal-content { height: 80vh; max-height: 700px; display: flex; flex-direction: column; }
.chat-messages { flex-grow: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 1rem; }
.chat-message { padding: 0.8rem 1rem; border-radius: 15px; max-width: 80%; line-height: 1.6; }
.chat-message.user { background-color: var(--accent-color); color: var(--primary-bg); border-bottom-right-radius: 3px; align-self: flex-end; }
.chat-message.bot { background-color: var(--tertiary-bg); color: var(--text-color); border-bottom-left-radius: 3px; align-self: flex-start; }
.chat-message.bot.typing { font-style: italic; opacity: 0.7; }
.chat-form { display: flex; border-top: 1px solid var(--border-color); padding: 1rem; }
#chat-input { flex-grow: 1; border: none; background: var(--tertiary-bg); padding: 0.8rem; border-radius: 8px; color: var(--text-color); margin-right: 1rem; }
#chat-input:focus { outline: none; box-shadow: 0 0 0 2px var(--accent-color); }
#chat-send-btn { background-color: var(--accent-color); color: var(--primary-bg); border: none; padding: 0 1.5rem; border-radius: 8px; font-weight: 600; cursor: pointer; }

/* --- Responsive --- */
@media (max-width: 600px) {
    .container { padding: 1.5rem; }
    h1 { font-size: 1.6rem; }
    .header-top-row { flex-direction: column; gap: 1rem; }
    .header-buttons { flex-direction: column; gap: 0.5rem; }
    .modal-content { padding: 2rem 1.5rem; }
}
@media (max-width: 400px) {
    .button-group { flex-direction: column; }
}