/* ============================================================
   Pages — Specific styles per page
   ============================================================ */

/* --- Dashboard --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.kpi-big {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1;
}

.chart-container {
    width: 100%;
    height: 200px;
    position: relative;
}

.chart-container svg {
    width: 100%;
    height: 100%;
}

/* --- Composer --- */
.composer {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

.composer-form {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 28px;
}

.composer-preview {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 28px;
    position: sticky;
    top: 24px;
    align-self: start;
}

.phone-preview {
    width: 260px;
    margin: 0 auto;
    background: var(--color-bg);
    border-radius: 28px;
    padding: 40px 16px 20px;
    border: 2px solid var(--color-border-light);
    min-height: 400px;
}

.phone-preview-header {
    text-align: center;
    font-size: 12px;
    color: var(--color-muted);
    margin-bottom: 16px;
    font-weight: 600;
}

.sms-bubble {
    background: var(--color-blue);
    color: #fff;
    padding: 12px 16px;
    border-radius: 18px 18px 4px 18px;
    font-size: 14px;
    line-height: 1.4;
    max-width: 90%;
    margin-left: auto;
    word-break: break-word;
}

.sms-counter {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* --- Contacts table --- */
.contacts-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* --- Reports --- */
.report-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.channel-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.channel-bar:last-child {
    border-bottom: none;
}

.channel-bar-label {
    font-weight: 600;
    width: 80px;
    flex-shrink: 0;
}

.channel-bar-fill {
    flex: 1;
    height: 8px;
    background: var(--color-surface-hover);
    border-radius: 4px;
    overflow: hidden;
}

.channel-bar-fill > div {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s ease;
}

.channel-bar-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    width: 60px;
    text-align: right;
}

/* --- Billing --- */
.billing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.wallet-card {
    background: linear-gradient(135deg, var(--color-blue), var(--color-violet));
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 28px;
}

.wallet-balance {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -1px;
}

.wallet-label {
    font-size: 13px;
    opacity: 0.8;
    margin-top: 4px;
}

/* --- Settings --- */
.settings-grid {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 24px;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-nav-item {
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.settings-nav-item:hover {
    background: var(--color-surface);
    color: var(--color-text);
}

.settings-nav-item.active {
    background: var(--color-blue);
    color: #fff;
}

.settings-panel {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 28px;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    cursor: pointer;
    display: inline-block;
}

/* --- Responsive overrides --- */
@media (max-width: 900px) {
    .composer {
        grid-template-columns: 1fr;
    }

    .report-grid, .billing-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}