/* Modern Left Container */
.left-container {
    width: 20vw;
    min-width: 270px;
    height: 100vh;
    background: rgba(26, 26, 46, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.3),
        inset -1px 0 0 rgba(255, 255, 255, 0.05);
    border-radius: 0px 0 0 12px;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 10;
}

/* Lower Component */
.lower-component {
    display: flex;
    flex-direction: column;
    z-index: 1000;
    max-height: calc(100vh - 200px);
    background: transparent;
    padding: 2px;
    border-right: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
}

/* Top Components */
.top-component-top,
.top-component-lower {
    display: flex;
    background: transparent;
    border-right: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    overflow-y: auto;
    z-index: 1000;
}

.top-component-top {
    padding: 14px 14px 0 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.top-component-lower {
    flex-direction: column;
    padding: 0 14px 14px 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Error Message */
.topComponentErrorMessage {
    color: var(--danger, #ef4444);
    font-size: 14px;
    margin-top: 8px;
    text-align: center;
    font-weight: 500;
    background: rgba(239, 68, 68, 0.1);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Profile Button */
.profile-btn {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-right: 12px;
    position: absolute;
    left: 10px;
    bottom: 12px;
    z-index: 10;
}

.profile-btn img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--primary, #4361ee), var(--secondary, #7209b7)) border-box;
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.25),
        0 0 0 2px rgba(26, 26, 46, 0.8);
}

.profile-btn img:hover {
    transform: scale(1.18) rotate(-5deg);
    box-shadow: 
        0 6px 20px rgba(67, 97, 238, 0.4),
        0 0 0 3px rgba(26, 26, 46, 0.8);
}

/* Settings Button */
.settings-btn {
    background-color: transparent;
    color: var(--text-secondary, #d1d5db);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
    left: 11px;
    bottom: 66px;
    z-index: 10;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.settings-btn:hover {
    color: var(--primary-light, #4cc9f0);
    transform: scale(1.18) rotate(15deg);
    background: rgba(67, 97, 238, 0.1);
    border-color: var(--primary, #4361ee);
}

.settings-btn i {
    font-size: 24px;
}

/* Add Thing Button */
.add-thing-btn {
    padding: 13px 0;
    margin: 12px 6px;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 50%;
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.add-thing-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark, #3a56d4) 0%, var(--secondary, #7209b7) 100%);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 
        0 8px 25px rgba(67, 97, 238, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.add-thing-btn:active {
    transform: translateY(0) scale(1);
    box-shadow: 
        0 3px 10px rgba(67, 97, 238, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* Friend Profile Image */
.friend-profile-image {
    background-size: cover;
    background-position: center;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    margin-right: 12px;
    margin-bottom: 4px;
    margin-top: 4px;
    border: 2px solid transparent;
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.25),
        0 0 0 2px rgba(26, 26, 46, 0.8);
}

/* Friend Name */
.friend-name {
    margin-top: 0px;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary, #ffffff);
    letter-spacing: 0.2px;
    display: block; 
    max-width: 14ch;
    white-space: nowrap;    
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Unread Count */
.unread-count {
    background: linear-gradient(135deg, var(--accent, #f72585) 0%, var(--danger, #ef4444) 100%);
    color: white;
    font-size: 13px;
    font-weight: bold;
    padding: 3px 8px;
    border-radius: 12px;
    display: inline-block;
    min-width: 24px;
    text-align: center;
    position: absolute;
    top: 5px;
    right: 5px;
    box-shadow: 0 2px 8px rgba(247, 37, 133, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* User Item */
.user {
    padding: 0 6px;
    margin: 6px 4px;
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.15) 0%, rgba(67, 97, 238, 0) 100%);
    border-radius: 12px;
    display: flex;
    flex-direction: row;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    align-items: center;
    min-height: 56px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.user:hover {
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.25) 0%, rgba(67, 97, 238, 0.1) 100%);
    transform: translateX(4px) scale(1.02);
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    border-color: var(--primary, #4361ee);
}

.user span {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary, #ffffff);
}

/* Add Thing Container */
.add-thing-container {
    display: none;
    margin-top: 15px;
    text-align: center;
    background: rgba(26, 26, 46, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 16px 0 12px 0;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
}

.add-thing-container input,
.add-thing-container textarea {
    width: 80%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 8px;
    color: var(--text-primary, #ffffff);
    outline: none;
    margin-bottom: 12px;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
}

.add-thing-container input:focus,
.add-thing-container textarea:focus {
    border-color: var(--primary, #4361ee);
    background: rgba(67, 97, 238, 0.05);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.add-thing-container textarea {
    min-height: 80px;
    resize: vertical;
    line-height: 1.5;
}

/* Add Thing Down Button */
.add-thing-down-btn {
    padding: 10px 0;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 50%;
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.add-thing-down-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark, #3a56d4) 0%, var(--secondary, #7209b7) 100%);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 
        0 8px 25px rgba(67, 97, 238, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.add-thing-down-btn:active {
    transform: translateY(0) scale(1);
    box-shadow: 
        0 3px 10px rgba(67, 97, 238, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* Detail Section - Glass Morphism */
.detail-section {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 96vw;
    max-width: 480px;
    max-height: 92vh;
    background: rgba(26, 26, 46, 0.95);
    -webkit-backdrop-filter: blur(30px);
    backdrop-filter: blur(30px);
    border-radius: 20px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    z-index: 1000;
    overflow: hidden;
    display: none;
    color: var(--text-primary, #ffffff);
    animation: modalFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
}

.detail-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    z-index: 1;
}

.detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px 16px 24px;
    background: rgba(26, 26, 46, 0.8);
    border-bottom: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
}

.detail-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary, #ffffff) 0%, var(--primary-light, #4cc9f0) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.2px;
}

.close-detail {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    font-size: 1.3rem;
    cursor: pointer;
    color: var(--text-secondary, #d1d5db);
    padding: 8px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.close-detail:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--primary-light, #4cc9f0);
    transform: rotate(90deg) scale(1.1);
    border-color: var(--primary, #4361ee);
}

.detail-content {
    padding: 24px 22px 20px 22px;
    overflow-y: auto;
    max-height: calc(92vh - 80px);
}

.detail-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin: 0 auto 20px auto;
    box-shadow: 
        0 8px 25px rgba(67, 97, 238, 0.4),
        0 0 0 4px rgba(26, 26, 46, 0.8);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.detail-name {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-primary, #ffffff);
    letter-spacing: 0.2px;
}

.detail-info {
    text-align: center;
    color: var(--primary-light, #4cc9f0);
    margin-bottom: 24px;
    font-size: 1.1rem;
    font-weight: 500;
}

.detail-content h3 {
    color: var(--primary-light, #4cc9f0);
    margin: 20px 0 12px 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-content h3::before {
    content: '';
    width: 4px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    border-radius: 2px;
}

.contact-info p {
    margin: 10px 0;
    color: var(--text-secondary, #d1d5db);
    font-size: 1rem;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.recent-activity,
.member-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.activity-item,
.member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.activity-item:last-child,
.member-item:last-child {
    border-bottom: none;
}

.activity-text {
    color: var(--text-primary, #ffffff);
    flex: 1;
    font-size: 1rem;
}

.activity-time {
    color: var(--text-tertiary, #9ca3af);
    font-size: 0.9rem;
    margin-left: 12px;
}

.member-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 8px;
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary, #4361ee);
    transform: translateX(4px);
}

.member-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.member-info {
    flex: 1;
}

.member-name {
    font-weight: 600;
    color: var(--text-primary, #ffffff);
    font-size: 1.05rem;
}

.member-role {
    font-size: 0.9rem;
    color: var(--primary-light, #4cc9f0);
    font-weight: 500;
}

/* Backdrop overlay */
.detail-section::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 15, 26, 0.8);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: -1;
}

/* Add Member Section */
.add-member-container {
    margin-top: 20px;
    padding: 20px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
    border-radius: 16px;
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.add-member-container form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.add-member-container input,
.add-member-container select {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 1rem;
    color: var(--text-primary, #ffffff);
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: inherit;
}

.add-member-container input:focus,
.add-member-container select:focus {
    border-color: var(--primary, #4361ee);
    background: rgba(67, 97, 238, 0.05);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.add-member-container button {
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    overflow: hidden;
}

.add-member-container button:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(67, 97, 238, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* Navigation Menu */
.navigation-menu {
    margin: 0px 0;
    padding: 0 8px;
    border-right: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.navigation-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    background: rgba(26, 26, 46, 0.8);
    border-radius: 16px;
    padding: 4px;
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
}

.navigation-menu li {
    flex: 1;
    text-align: center;
    padding: 10px 6px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary, #d1d5db);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.navigation-menu li:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-light, #4cc9f0);
}

.navigation-menu li.active {
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

/* Friend Requests */
.friend-requests-header,
.friends-header {
    color: var(--text-secondary, #d1d5db);
    font-weight: 600;
    margin: 16px 0 8px 0;
    padding-left: 8px;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.friend-requests-header {
    color: var(--success, #4ade80);
}

.friend-request {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.15) 0%, rgba(67, 97, 238, 0) 100%);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 10px;
    margin: 6px 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.friend-request:hover {
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.25) 0%, rgba(67, 97, 238, 0.1) 100%);
    transform: translateX(4px) scale(1.02);
    box-shadow: 
        0 4px 15px rgba(67, 97, 238, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    border-color: var(--primary, #4361ee);
}

.request-accept, 
.request-reject {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.request-accept {
    background: linear-gradient(135deg, var(--success, #4ade80) 0%, var(--primary-light, #4cc9f0) 100%);
    color: white;
}

.request-reject {
    background: linear-gradient(135deg, var(--danger, #ef4444) 0%, var(--accent, #f72585) 100%);
    color: white;
}

.request-accept:hover,
.request-reject:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Responsive design */
@media (max-width: 768px) {
    .left-container {
        width: 0;
        min-width: 0px;
        position: fixed;
        left: 0;
        top: 0;
        display: flex;
        flex-direction: column;
        z-index: 10;
        overflow: hidden;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .detail-content {
        padding: 16px 20px 16px 20px;
    }
    
    .detail-header {
        padding: 16px 20px 12px 20px;
    }
}

@media (max-width: 480px) {
    .detail-section {
        width: 100vw;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .detail-content {
        max-height: calc(100vh - 80px);
        padding: 16px 16px 16px 16px;
    }
    
    .detail-header h2 {
        font-size: 1.3rem;
    }
}

/* Animation */
@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -48%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* Scrollbar Styling */
.lower-component::-webkit-scrollbar,
.detail-content::-webkit-scrollbar {
    width: 6px;
}

.lower-component::-webkit-scrollbar-track,
.detail-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.lower-component::-webkit-scrollbar-thumb,
.detail-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary, #4361ee) 0%, var(--secondary, #7209b7) 100%);
    border-radius: 3px;
}

.lower-component::-webkit-scrollbar-thumb:hover,
.detail-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark, #3a56d4) 0%, var(--secondary, #7209b7) 100%);
}

/* Group Container */
#add-group-container {
    display: none;
}

/* Additional Styles for Better Visual Hierarchy */
.user .status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success, #4ade80);
    position: absolute;
    bottom: 8px;
    right: 8px;
    border: 2px solid rgba(26, 26, 46, 0.8);
    box-shadow: 0 0 0 2px rgba(76, 217, 100, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.7;
    }
}