/*
====================================
0. CUSTOM PROPERTIES (VARIABLES)
====================================
*/
:root {
    --bg-primary: #0f1417;
    --bg-secondary: #1a2024;
    --text-primary: #e6e8eb;
    --text-accent: #4da6ff;
    --muted-text: #9aa9bf;
    --border-color: #2b353e;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --hover-bg: #2b353e;
    --focus-ring: 0 0 0 3px rgba(77, 166, 255, 0.5);

    /* Couleurs Activités (Pastels sur sombre) */
    --act-autres: #78d6a4; /* Vert menthe */
    --act-jeux: #c085f5; /* Violet */
    --act-culture: #e67c73; /* Corail */
    --act-sport: #f27a7d; /* Rouge pastel */
    --act-sorties: #f1a66a; /* Orange */
    --act-toutes: #9aa9bf; /* Gris-bleu */
}

/*
====================================
1. BASE & THEME SOMBRE
====================================
*/
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

main, .auth-section {
    max-width: 900px;
    margin: 6px auto;
    padding: 0 15px;
}

a {
    color: var(--text-accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--text-primary);
}

h1, h2, h3 {
    margin-bottom: 15px;
    color: var(--text-primary);
}
.filter-box h2, .create-slot-box h2, .slot-list-card h2 {
    font-size: 1.05em;
}

.filter-box h2, .slot-list-card h2 {
    margin-bottom: 12px;
}


ul {
    list-style: none;
}

/*
====================================
2. HEADER & NAVIGATION
====================================
*/
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-link {
    display: flex;
    align-items: center;
    width: 56px;
    height: 56px;
    margin-right: 15px;
}

.site-title {
    flex-grow: 1;
    font-size: 1.5em;
    font-weight: 800;
    margin-bottom: 0;
    color: var(--text-primary);
}

.header-right {
    display: flex;
    gap: 10px;
}

.home-link {
    font-size: 0.9em;
    margin-right: 10px;
    padding: 8px 10px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.home-link:hover {
    background-color: var(--hover-bg);
}


/*
====================================
3. CARDS & FORMS
====================================
*/
.card {
    background-color: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
}
.create-slot-box {
    padding: 14px 20px;
}

.auth-section {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 50px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
}

label {
    display: block;
    margin-top: 10px;
    margin-bottom: 5px;
    font-size: 0.9em;
    color: var(--muted-text);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="date"],
input[type="time"],
select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

input:focus, select:focus {
    border-color: var(--text-accent);
    outline: none;
    box-shadow: var(--focus-ring);
}

/*
====================================
4. BUTTONS
====================================
*/
.action-btn {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s, opacity 0.2s;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.join-btn, #create-slot, #signup, #login, #save-profile-btn, #save-slot-changes {
    background-color: var(--text-accent);
    color: var(--bg-primary);
    width: 100%;
}

.join-btn:hover:not(:disabled), #create-slot:hover:not(:disabled), #signup:hover:not(:disabled), #login:hover:not(:disabled), #save-profile-btn:hover:not(:disabled), #save-slot-changes:hover:not(:disabled) {
    background-color: #6fb2f2;
}

.leave-btn, .ghost-btn {
    background-color: var(--hover-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.leave-btn:hover:not(:disabled), .ghost-btn:hover:not(:disabled) {
    background-color: var(--border-color);
}

.header-right .ghost-btn {
    border-radius: 20px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}


.ghost-action-btn {
    background: none;
    color: var(--muted-text);
    border: none;
    padding: 5px;
    font-size: 1.2em;
}

.ghost-action-btn:hover {
    color: var(--text-accent);
    background-color: transparent;
}


/*
====================================
5. INDEX SPECIFIC
====================================
*/
.muted-text {
    color: var(--muted-text);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
}

.filter-controls > div {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-controls select {
    width: auto;
    min-width: 150px;
    margin-bottom: 0;
}

.toggle-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
}

.toggle-header:hover {
    color: var(--text-accent);
}

.arrow {
    transition: transform 0.2s;
    font-size: 1.5em;
    line-height: 1;
}

.inline-fields {
    display: flex;
    gap: 15px;
}

.inline-fields > div {
    flex: 1;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-top: -5px;
    margin-bottom: 15px;
}

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

.checkbox-group label {
    margin: 0;
    font-size: 1em;
    color: var(--text-primary);
}

.form-checkbox {
    margin-top: -10px; 
    margin-bottom: 15px;
}
.form-checkbox label {
    font-size: 0.9em; 
    color: var(--muted-text);
}


.activity-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.activity-btn {
    padding: 6px 10px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--muted-text);
    cursor: pointer;
    font-size: 0.9em;
    transition: background-color 0.2s, border-color 0.2s, color 0.2s;
}

.activity-btn.active, .activity-btn:hover {
    background-color: var(--hover-bg);
    border-color: var(--text-accent);
    color: var(--text-primary);
}

.activity-btn.act-jeux { border-color: var(--act-jeux); color: var(--act-jeux); }
.activity-btn.act-culture { border-color: var(--act-culture); color: var(--act-culture); }
.activity-btn.act-sport { border-color: var(--act-sport); color: var(--act-sport); }
.activity-btn.act-sorties { border-color: var(--act-sorties); color: var(--act-sorties); }
.activity-btn.act-autres { border-color: var(--act-autres); color: var(--act-autres); }
.activity-btn.act-toutes { border-color: var(--act-toutes); color: var(--act-toutes); }

.activity-btn.act-jeux.active, .activity-btn.act-jeux:hover { background-color: rgba(192, 133, 245, 0.2); color: var(--act-jeux); border-color: var(--act-jeux); }
.activity-btn.act-culture.active, .activity-btn.act-culture:hover { background-color: rgba(230, 124, 115, 0.2); color: var(--act-culture); border-color: var(--act-culture); }
.activity-btn.act-sport.active, .activity-btn.act-sport:hover { background-color: rgba(242, 122, 125, 0.2); color: var(--act-sport); border-color: var(--act-sport); }
.activity-btn.act-sorties.active, .activity-btn.act-sorties:hover { background-color: rgba(241, 166, 106, 0.2); color: var(--act-sorties); border-color: var(--act-sorties); }
.activity-btn.act-autres.active, .activity-btn.act-autres:hover { background-color: rgba(120, 214, 164, 0.2); color: var(--act-autres); border-color: var(--act-autres); }


.slot-list-card h2 {
    margin-bottom: 5px;
}

.slot-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 2.25px solid #44515c;
    background-color: transparent; 
}

.slot-item:last-child {
    border-bottom: none;
}

.slot-info {
    flex-grow: 1;
    margin-right: 15px;
}

.slot-info strong {
    display: block;
    font-size: 1.1em;
    margin-bottom: 5px;
}

.slot-info small {
    display: block;
    color: var(--muted-text);
    font-size: 0.8em;
    margin-top: 5px;
}

.slot-info a {
    color: var(--text-primary);
    text-decoration: underline;
}

.slot-info a:hover {
    color: var(--text-accent);
}

.private-slot-lock {
    color: var(--text-accent);
    font-size: 0.9em;
}

.actions-box {
    display: flex;
    gap: 5px;
}

.participants-box {
    margin-top: 8px;
    margin-bottom: 5px;
}

.gauge-bar {
    height: 6px;
    background-color: var(--bg-primary);
    border-radius: 3px;
    margin-top: 5px;
    overflow: hidden;
}

.gauge-fill {
    height: 100%;
    background-color: var(--text-accent);
    transition: width 0.3s;
}

.participants-list {
    font-size: 0.85em;
    color: var(--muted-text);
    margin-bottom: 5px;
}

.clickable-pseudo {
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s;
}
.clickable-pseudo:hover {
    color: var(--text-accent);
}

.suggestion-box {
    padding: 8px;
    margin-top: -10px;
    margin-bottom: 15px;
    background-color: var(--hover-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.subsub-line {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.subsub-box {
    font-size: 0.75em;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid;
    font-weight: 500;
}


/*
====================================
6. MOBILE RESPONSIVE
====================================
*/
@media (max-width: 768px) {
    .header {
        gap: 8px;
    }
    .site-title {
        font-size: 1.2em;
        flex-shrink: 0;
    }
    .header-right {
        flex-shrink: 1;
        margin-left: auto;
    }
    .header-right .ghost-btn {
        padding: 6px 10px;
        font-size: 0.8em;
    }

    .auth-section {
        flex-direction: column;
        margin-top: 20px;
    }
    .inline-fields {
        flex-direction: column;
    }
    .slot-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .slot-info {
        width: 100%;
        margin-bottom: 10px;
    }
    .actions-box {
        width: 100%;
        justify-content: flex-end;
    }
    .ghost-action-btn {
        padding: 5px 10px;
    }

    .messaging-container {
        position: relative;
        overflow: hidden;
    }
    .conversations-list {
        width: 100%;
        flex-shrink: 0;
        padding: 20px 15%;
    }
    .chat-window {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        margin: 0;
        border-radius: 0;
        background-color: var(--bg-secondary);
    }
    .messaging-container.chat-active .chat-window {
        transform: translateX(0);
    }
    .back-btn {
        display: inline-block;
    }
}


/* ====================================
7. MODAL STYLES
====================================
*/
.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto; 
    background-color: rgba(0,0,0,0.7); 
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 10% auto;
    padding: 25px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

.close-btn {
    color: var(--muted-text);
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    transition: color 0.2s;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--text-primary);
    text-decoration: none;
    cursor: pointer;
}

#modal-slot-details {
    line-height: 1.8;
    margin-bottom: 20px;
}

#modal-slot-details strong {
    color: var(--text-primary);
    font-size: 1.2em;
    display: block;
    margin-bottom: 10px;
}

.modal-actions {
    margin-top: 15px;
}

/* ====================================
8. GROUP & INVITATION STYLES
====================================
*/
.create-group-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}
.create-group-form input {
    margin-bottom: 0;
    flex-grow: 1;
}
.create-group-form button {
    width: auto;
}
.form-status {
    font-size: 0.8em;
}

.group-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
}
.group-item h3 {
    margin-bottom: 10px;
    font-size: 1.2em;
}
.members-list {
    font-size: 0.9em;
    color: var(--muted-text);
    margin-bottom: 15px;
}
.members-list strong {
    color: var(--text-primary);
}
.add-member-form {
    display: flex;
    gap: 10px;
    align-items: center;
}
.add-member-form input {
    flex-grow: 1;
    margin-bottom: 0;
}
.add-member-form button {
    width: auto;
    padding: 8px 12px;
}
.invite-form {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}
.invite-form input {
    flex-grow: 1;
    margin-bottom: 0;
}
.invite-form button {
    width: auto;
    padding: 8px 12px;
}

.invitation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}
.invitation-item:last-child {
    border-bottom: none;
}
.invitation-info small {
    display: block;
    color: var(--muted-text);
}
.invitation-actions {
    display: flex;
    gap: 8px;
}
.invitation-actions button {
    width: auto;
    padding: 6px 10px;
}


/* ====================================
9. MESSAGING STYLES
====================================
*/
.messaging-container {
    display: flex;
    gap: 20px;
    height: calc(100vh - 100px);
}
.conversations-list {
    flex: 0 0 280px;
    overflow-y: auto;
}
.conv-item {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}
.conv-item:last-child {
    border-bottom: none;
}
.conv-item:hover {
    background-color: var(--hover-bg);
}
.conv-item.active {
    background-color: var(--text-accent);
    color: var(--bg-primary);
}
.conv-item.active small {
    color: var(--bg-secondary);
}
.conv-item small {
    font-size: 0.8em;
    color: var(--muted-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}
.conv-item.unread strong {
    font-weight: 800;
    color: var(--text-primary);
}
.conv-item.unread small {
    color: var(--text-accent);
    font-weight: 600;
}

.chat-window {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
}
.chat-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}
.chat-header h2 {
    margin: 0;
    font-size: 1.2em;
}
.messages-area {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column-reverse;
}
.message {
    padding: 8px 12px;
    border-radius: 18px;
    margin-bottom: 10px;
    max-width: 70%;
    line-height: 1.4;
}
.message.sent {
    background-color: var(--text-accent);
    color: var(--bg-primary);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.message.received {
    background-color: var(--hover-bg);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message-input-area {
    display: flex;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    gap: 10px;
}
.message-input-area input {
    flex-grow: 1;
    margin-bottom: 0;
}
.message-input-area button {
    width: auto;
}

.back-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5em;
    cursor: pointer;
    padding: 0 10px;
}

.close-chat-btn {
    background: none;
    border: none;
    color: var(--muted-text);
    font-size: 24px;
    cursor: pointer;
    padding: 0 5px;
    line-height: 1;
    transition: color 0.2s;
    display: none;
}

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

.message-sender {
    font-size: 0.8em;
    font-weight: bold;
    color: var(--act-sorties);
    margin-bottom: 4px;
}

.message-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chat-title-container {
    flex-grow: 1;
    overflow: hidden;
}

.chat-members-list {
    font-size: 0.8em;
    color: var(--muted-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-member-link {
    cursor: pointer;
    text-decoration: underline;
    color: var(--text-primary);
    transition: color 0.2s;
}

.chat-member-link:hover {
    color: var(--text-accent);
}
/* ====================================
11. NOUVEAUX STYLES PROFIL
====================================
*/

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px; /* Espace sous l'en-tête de la carte */
}

.card-header h2 {
    margin: 0; /* Retire la marge par défaut du h2 */
}

/* Style spécifique pour le bouton de déconnexion dans la carte */
.card #logout-profile {
    width: auto; /* Permet au bouton de s'adapter à son contenu */
    padding: 8px 16px;
    font-size: 0.9em;
}