/* Common Styles */
body {
    background-color: #f8f9fa;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    min-height: 100vh;
    background-color: #075E54;
    color: white;
    padding-top: 20px;
    transition: all 0.3s ease;
}
.sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    margin-bottom: 5px;
}
.sidebar .nav-link:hover {
    color: white;
}
.sidebar .nav-link.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

/* Main Content Styles */
.main-content {
    padding: 20px;
}

/* Card Styles */
.stat-card, .detail-card, .message-list, .message-form {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}
.stat-card h3 {
    margin-bottom: 0;
}

/* Message Bubble Styles */
.message-bubble {
    background-color: #DCF8C6;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    position: relative;
}
.message-bubble:after {
    content: "";
    position: absolute;
    top: 15px;
    right: -10px;
    border-width: 10px 0 10px 10px;
    border-style: solid;
    border-color: transparent transparent transparent #DCF8C6;
}

/* Media Preview Styles */
.media-preview {
    max-width: 300px;
    border-radius: 8px;
    margin-bottom: 10px;
}

/* Logout Button Styles */
.logout-btn {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}
.logout-btn:hover {
    color: white;
    text-decoration: none;
}

/* Contact Table Styles */
.contact-table {
    font-size: 0.9rem;
}

/* Status Colors */
.status-sent { color: #28a745; }
.status-failed { color: #dc3545; }
.status-pending { color: #ffc107; }

/* Login Styles */
.login-container {
    max-width: 100%;
    background: white;
    padding: 50px 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
.logo {
    color: #128C7E;
    text-align: center;
    margin-bottom: 30px;
}
.error-message {
    color: red;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 5px;
    background-color: #ffe6e6;
}

/* Loading Styles */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    flex-direction: column;
}
.spinner {
    width: 3rem;
    height: 3rem;
}

/* Preview Container Styles */
.preview-container {
    max-width: 300px;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 15px;
    background-color: #DCF8C6;
    margin-top: 20px;
}
.preview-title {
    font-weight: bold;
    margin-bottom: 10px;
}

/* Input Styles */
.number-input {
    height: 150px;
    resize: vertical;
}
.form-group{
    margin-bottom: 30px;
}

/* Sidebar Menu Mobile */
.sidebar-menu {
    display: block;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .sidebar {
        min-height: unset;
        padding-bottom: 20px;
    }
    
    .sidebar-menu {
        display: none;
    }
    
    .sidebar-menu.active {
        display: block;
    }
    
    .content-area, .main-content {
        padding: 15px;
    }
    
    .stat-card {
        margin-bottom: 15px;
    }
    
    .table-responsive {
        border: 0;
    }
    
    .message-bubble:after {
        display: none;
    }
    
    .media-preview {
        max-width: 100%;
    }
    
    .preview-container {
        max-width: 100%;
    }
    
    .navbar-toggler {
        padding: 0.25rem 0.5rem;
        font-size: 1rem;
        border: 1px solid rgba(255,255,255,0.3);
        border-radius: 0.25rem;
        cursor: pointer;
    }
}

@media (max-width: 576px) {
    .login-container {
        padding: 30px 15px;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
}