/* Modern Auth Styles for SheetSMS */
:root {
    --primary-blue: #137fec;
    --primary-hover: #0b6ad0;
    --bg-light: #f4f6f9;
    --card-bg: #ffffff;
    --text-dark: #333333;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --sidebar-width: 250px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
}

body {
    background-color: var(--bg-light);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* Auth Menu (Login) */
#auth-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.auth__media img {
    width: 80%;
    margin-bottom: 20px;
}

.auth__title {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.8rem;
    font-weight: 700;
}

.auth__auth p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* Dashboard Layout */
#authenticatedPage {
    display: flex; /* Flexbox for sidebar + content */
    min-height: 100vh;
}

.dashboard-wrapper {
    display: flex;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    gap: 20px;
}

/* Sidebar */
.page__menu {
    width: var(--sidebar-width);
    flex-shrink: 0;
}

.vMenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.vMenu li a {
    display: block;
    padding: 15px 20px;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s, color 0.2s;
}

.vMenu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-blue);
}

/* Active State Handling (JS adds vMenu--active class) */
.vMenu a.vMenu--active, .vMenu li a.vMenu--active {
    background-color: var(--primary-blue);
    color: white;
    font-weight: 600;
}

/* Submenu */
#showSMSenderSection {
    background-color: #f9f9f9;
    padding-left: 20px;
}

#showSMSenderSection a {
    font-size: 0.9em;
    border-bottom: none;
    padding: 10px 15px;
}

/* Main Content Area */
.page__main {
    flex-grow: 1;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    min-height: 600px;
}

/* Headings */
.page__main h1, .page__main h2, .page__main h3 {
    color: var(--text-dark);
    margin-top: 0;
}

.display-4 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Cards (Pricing, etc) */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-header {
    background-color: var(--bg-light);
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Buttons */
.nice__button, .btn-primary {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.nice__button:hover, .btn-primary:hover {
    background-color: var(--primary-hover);
}

/* DataTables Overrides */
.dataTables_wrapper {
    margin-top: 20px;
}

table.dataTable {
    border-collapse: collapse !important;
    width: 100% !important;
}

table.dataTable thead th {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 12px;
    border-bottom: 2px solid var(--border-color);
}

table.dataTable tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-wrapper {
        flex-direction: column;
    }

    .page__menu {
        width: 100%;
        margin-bottom: 20px;
    }

    .page__main {
        width: 100%;
    }

    .sameLineAuth {
        display: block;
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: 20px;
    }
}