@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #1a1a2e;
    --bg-light: #2a2a4a;
    --primary: #4a4aff;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0c0;
    --border-color: #3a3a5a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    width: 100%;
    height: 100%;
}

/* ======================= SIDEBAR STYLES ======================= */
.sidebar {
    width: 250px;
    background-color: var(--bg-light);
    padding: 20px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 40px;
}

.sidebar ul {
    list-style: none;
    flex-grow: 1;
}

.sidebar ul li a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 10px;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: background-color 0.3s, color 0.3s;
    font-weight: 500;
}

.sidebar ul li a i {
    font-size: 1.4rem;
}

.sidebar ul li a:hover, .sidebar ul li.active a {
    background-color: var(--primary);
    color: white;
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 10px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
}
.sidebar-footer a:hover {
    color: var(--primary);
}


/* ======================= MAIN CONTENT STYLES ======================= */
.main-content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto;
}

.main-content header {
    margin-bottom: 30px;
}

.main-content header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.main-content header p {
    color: var(--text-secondary);
}

/* ======================= VIEW NAVIGATION ======================= */
.view {
    display: none;
}
.view.active-view {
    display: block;
}

/* ======================= CLIENT SELECTOR ======================= */
.client-selector-container {
    margin-top: 25px;
    background-color: var(--bg-light);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 500px;
    border: 1px solid var(--border-color);
}

.client-selector-container label {
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
}

#client-selector {
    width: 100%;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    font-size: 1rem;
    cursor: pointer;
}

#client-selector:focus {
    outline: 2px solid var(--primary);
}


/* ======================= METRICS GRID ======================= */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.metric-card {
    background-color: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    position: relative;
    transition: transform 0.2s;
}

.metric-card:hover {
    transform: translateY(-5px);
}

.metric-card h3 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    font-weight: 500;
}

.metric-card p {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ======================= TABLES (Dashboard & Reports) ======================= */
.campaign-details {
    margin-top: 40px;
}

.campaign-details, #report-content {
    background-color: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.campaign-details h2, .report-header {
    margin-bottom: 20px;
    font-weight: 600;
}

.table-container {
    width: 100%;
    overflow-x: auto;
}

.campaign-details table, #report-content table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
}

.campaign-details th, .campaign-details td,
#report-content th, #report-content td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.campaign-details thead th, #report-content thead th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.campaign-details tbody tr:hover, #report-content tbody tr:hover {
    background-color: #3a3a5a;
}

/* ======================= REPORTS VIEW SPECIFIC STYLES ======================= */
#reports-view header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

#download-pdf-btn {
    margin-top: 20px;
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

#download-pdf-btn:hover {
    background-color: #3a3ad8;
}

#download-pdf-btn:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

#report-content {
    margin-top: 40px;
    background-color: var(--bg-dark);
}

.report-header {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.report-header h2 {
    font-size: 1.8rem;
    color: var(--primary);
}

/* ======================= SETTINGS VIEW ======================= */
.settings-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    margin-top: 30px;
}

.settings-form-card, .client-list-card {
    background-color: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.settings-form-card h2, .client-list-card h2 {
    margin-bottom: 20px;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #3a3ad8;
}

#client-list {
    list-style: none;
    max-height: 400px;
    overflow-y: auto;
    padding: 0;
}

#client-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

#client-list li:last-child {
    border-bottom: none;
}

.client-info span {
    display: block;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.client-info strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.btn-danger {
    background-color: #ff4d4d;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-danger:hover {
    background-color: #e60000;
}

/* ======================= METRICS SELECTOR (SETTINGS) ======================= */
.settings-metrics-card {
    margin-top: 30px;
    background-color: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.settings-metrics-card h2 {
    margin-bottom: 5px;
}

.settings-metrics-card .subtitle {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

#metrics-selector-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.metric-group {
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 8px;
}

.metric-group legend {
    padding: 0 10px;
    font-weight: 600;
    color: var(--primary);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.metric-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.metric-item label {
    cursor: pointer;
}

#save-metrics-btn {
    margin-top: 10px;
}

@media (max-width: 900px) {
    .settings-container {
        grid-template-columns: 1fr;
    }
}