/* Reset et variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #5ba3f5;
    --secondary-color: #8b7df0;
    --success-color: #4ade80;
    --danger-color: #f87171;
    --warning-color: #fbbf24;
    --bg-color: #1a1d29;
    --card-bg: #252936;
    --text-color: #e8eaed;
    --text-light: #b0b3b8;
    --text-muted: #8b8f96;
    --border-color: #3a3f4f;
    --border-light: #2d3140;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.4);
    --input-bg: #2d3140;
    --input-border: #3a3f4f;
    --input-focus: #5ba3f5;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Container principal avec CSS Grid */
.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 20px;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

/* Section programme (haut, pleine largeur) */
.program-section {
    grid-column: 1 / -1;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
}

/* Sections gauche et droite */
.preferences-section,
.emotions-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

/* En-têtes de section */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.section-header h2,
.section-header h3 {
    color: var(--text-color);
    font-size: 1.5em;
}

.program-actions {
    display: flex;
    gap: 10px;
}

/* Boutons */
.btn-primary,
.btn-secondary,
.btn-danger {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #357abd;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Modal */
.modal {
    display: block;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--card-bg);
    margin: 40px auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content.large {
    max-width: 1200px;
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

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

/* Formulaire initial */
.form-section {
    margin-bottom: 24px;
}

.form-section h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 1.2em;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.form-row label {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 200px;
    font-weight: 500;
}

.form-row input,
.form-row select,
.form-row textarea {
    margin-top: 6px;
    padding: 10px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(91, 163, 245, 0.2);
    background-color: var(--input-bg);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
    color: var(--text-muted);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-group label {
    flex-direction: row;
    align-items: center;
    min-width: auto;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
    margin-top: 0;
    width: auto;
}

/* Affichage du programme */
.program-display {
    margin-top: 20px;
}

.day-program {
    margin-bottom: 24px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.day-program h4 {
    color: var(--primary-color);
    margin-bottom: 16px;
    font-size: 1.3em;
}

.exercises-list {
    display: grid;
    gap: 12px;
}

.exercise-card {
    background: var(--input-bg);
    padding: 16px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.exercise-header {
    margin-bottom: 12px;
}

.exercise-header strong {
    font-size: 1.1em;
    color: var(--text-color);
}

.exercise-details {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 8px;
    font-size: 0.9em;
    color: var(--text-light);
}

.exercise-details span {
    padding: 4px 8px;
    background: var(--card-bg);
    border-radius: 4px;
    color: var(--text-color);
    border: 1px solid var(--border-light);
}

.exercise-progression {
    margin-top: 8px;
    padding: 8px;
    background: rgba(91, 163, 245, 0.15);
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--primary-color);
    font-weight: 500;
}

.exercise-notes {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9em;
    color: var(--text-light);
    font-style: italic;
}

.empty-message {
    text-align: center;
    color: var(--text-light);
    padding: 40px;
    font-style: italic;
}

/* Section préférences */
.preferences-display {
    flex: 1;
    overflow-y: auto;
}

.preferences-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preference-item {
    padding: 16px;
    background: var(--input-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.exercise-name {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.preference-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.preference-controls label {
    display: flex;
    align-items: center;
    font-size: 0.9em;
    cursor: pointer;
}

.preference-controls input[type="checkbox"] {
    margin-right: 6px;
    cursor: pointer;
}

/* Section émotions */
.emotions-input {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.emotions-input textarea {
    flex: 1;
    min-height: 200px;
    padding: 16px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}

.emotions-input textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(91, 163, 245, 0.2);
    background-color: var(--input-bg);
}

.emotions-input textarea::placeholder {
    color: var(--text-muted);
}

/* Boîtes d'explication */
.explanation-box {
    margin-top: 20px;
    padding: 16px;
    background: var(--input-bg);
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
    font-size: 0.95em;
    line-height: 1.8;
    color: var(--text-color);
}

.explanation-box h3,
.explanation-box h4 {
    margin-top: 12px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.explanation-box p {
    margin-bottom: 8px;
}

/* Modal de comparaison */
.compare-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 20px;
}

.compare-box {
    padding: 20px;
    background: var(--input-bg);
    border-radius: 8px;
    max-height: 600px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.compare-box h3 {
    color: var(--primary-color);
    margin-bottom: 16px;
    text-align: center;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

/* Responsive */
@media (max-width: 968px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .preferences-section,
    .emotions-section {
        grid-column: 1 / -1;
    }

    .compare-container {
        grid-template-columns: 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .form-row label {
        min-width: 100%;
    }

    .program-actions {
        flex-direction: column;
        width: 100%;
    }

    .program-actions button {
        width: 100%;
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--card-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* Modal de chargement */
.loading-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.loading-text {
    margin-top: 20px;
    font-size: 16px;
    color: var(--text-color);
    font-weight: 500;
}

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

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

/* Section poids actuels */
.form-help-text {
    font-size: 0.9em;
    color: var(--text-light);
    margin-bottom: 16px;
    font-style: italic;
}

.weights-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}

.weight-entry {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 12px;
    background: var(--input-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.weight-entry select,
.weight-entry input {
    flex: 1;
    padding: 8px;
    background-color: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    font-size: 14px;
}

.weight-entry select:focus,
.weight-entry input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 2px rgba(91, 163, 245, 0.2);
}

.weight-entry input::placeholder {
    color: var(--text-muted);
}

.weight-entry select {
    min-width: 200px;
}

.weight-entry input.weight-input {
    max-width: 120px;
}

.weight-entry input.reps-input {
    max-width: 120px;
}

.btn-remove-weight {
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.btn-remove-weight:hover {
    background: #dc2626;
    transform: scale(1.05);
}