/* Bulk SMS Sender — custom styles */

body {
    background-color: #f0f4f8;
    min-height: 100vh;
}

.navbar {
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
}

.card-header {
    border-radius: 0.75rem 0.75rem 0 0 !important;
    font-weight: 600;
}

.stat-card {
    transition: transform .15s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: .85;
}

.table > :not(caption) > * > * {
    padding: .6rem 1rem;
}

.badge-status-sent    { background-color: #198754; }
.badge-status-failed  { background-color: #dc3545; }
.badge-status-pending { background-color: #6c757d; }

.upload-area {
    border: 2px dashed #9bbde0;
    border-radius: 0.75rem;
    background: #f8fbff;
    transition: border-color .2s, background .2s;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #0d6efd;
    background: #e8f1ff;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 1rem;
    box-shadow: 0 8px 30px rgba(0,0,0,.2);
}

#preview-table-wrapper {
    max-height: 320px;
    overflow-y: auto;
}