/* =====================================================
   EVNNPC Lịch Cắt Điện - Frontend Styles
   ===================================================== */

.evnnpc-widget {
    font-family: 'Segoe UI', -apple-system, sans-serif;
    max-width: 900px;
    margin: 20px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    overflow: hidden;
    border: 1px solid #e8ecf0;
}

/* Header */
.evnnpc-header {
    background: linear-gradient(135deg, #0057a8, #0082c8);
    padding: 20px 24px;
    color: #fff;
}
.evnnpc-logo-bar {
    display: flex;
    align-items: center;
    gap: 14px;
}
.evnnpc-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.2));
}
.evnnpc-title {
    margin: 0 0 2px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: #fff;
}
.evnnpc-subtitle {
    margin: 0;
    font-size: .8rem;
    opacity: .85;
    color: #c8e6ff;
}
.evnnpc-subtitle a {
    color: #c8e6ff;
    text-decoration: underline;
}

/* Tabs */
.evnnpc-tabs {
    display: flex;
    border-bottom: 2px solid #e8ecf0;
    background: #f8fafc;
}
.evnnpc-tab {
    flex: 1;
    padding: 14px 16px;
    font-size: .9rem;
    font-weight: 600;
    border: none;
    background: transparent;
    cursor: pointer;
    color: #5a6a7e;
    transition: all .2s ease;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}
.evnnpc-tab:hover {
    color: #0057a8;
    background: rgba(0,87,168,.04);
}
.evnnpc-tab.active {
    color: #0057a8;
    border-bottom-color: #0057a8;
    background: #fff;
}

/* Tab content */
.evnnpc-tab-content {
    display: none;
    padding: 24px;
}
.evnnpc-tab-content.active {
    display: block;
}

/* Form */
.evnnpc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
@media (max-width: 600px) {
    .evnnpc-form-row { grid-template-columns: 1fr; }
}
.evnnpc-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.evnnpc-label {
    font-size: .8rem;
    font-weight: 600;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: .4px;
}
.evnnpc-select,
.evnnpc-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #d1d9e0;
    border-radius: 8px;
    font-size: .9rem;
    background: #fff;
    color: #1a2332;
    transition: border-color .2s, box-shadow .2s;
    appearance: auto;
    box-sizing: border-box;
}
.evnnpc-select:focus,
.evnnpc-input:focus {
    outline: none;
    border-color: #0057a8;
    box-shadow: 0 0 0 3px rgba(0,87,168,.12);
}
.evnnpc-select:disabled {
    background: #f3f5f7;
    color: #9aa5b4;
    cursor: not-allowed;
}

/* Time note */
.evnnpc-time-note {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f0f7ff;
    border: 1px solid #c4dcf5;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: .85rem;
    color: #0057a8;
    margin-bottom: 16px;
}

/* Button */
.evnnpc-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #0057a8, #0082c8);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 11px 28px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
    box-shadow: 0 3px 10px rgba(0,87,168,.3);
}
.evnnpc-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0,87,168,.35);
}
.evnnpc-btn:active {
    transform: translateY(0);
}
.evnnpc-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

/* Loading */
.evnnpc-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 32px;
    color: #5a6a7e;
    font-size: .9rem;
}
.evnnpc-spinner {
    width: 28px; height: 28px;
    border: 3px solid #e8ecf0;
    border-top-color: #0057a8;
    border-radius: 50%;
    animation: evnnpc-spin .7s linear infinite;
}
@keyframes evnnpc-spin {
    to { transform: rotate(360deg); }
}

/* Results */
.evnnpc-results {
    padding: 0 24px 24px;
}
.evnnpc-results-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-top: 8px;
}
.evnnpc-results-header h4 {
    margin: 0;
    font-size: 1rem;
    color: #1a2332;
}
.evnnpc-badge {
    background: #0057a8;
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 100px;
}

/* Table */
.evnnpc-table-wrap {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid #e8ecf0;
}
.evnnpc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}
.evnnpc-table thead th {
    background: #0057a8;
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .3px;
    white-space: nowrap;
}
.evnnpc-table tbody tr {
    border-bottom: 1px solid #f0f2f5;
    transition: background .15s;
}
.evnnpc-table tbody tr:hover {
    background: #f0f7ff;
}
.evnnpc-table tbody td {
    padding: 10px 12px;
    color: #374151;
    vertical-align: top;
}
.evnnpc-table tbody tr:last-child { border-bottom: none; }
.evnnpc-date-badge {
    display: inline-block;
    background: #fff3cd;
    color: #856404;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: .8rem;
    font-weight: 600;
    white-space: nowrap;
}
.evnnpc-time-range {
    font-size: .8rem;
    color: #e63946;
    font-weight: 600;
}
.evnnpc-area-text {
    max-width: 220px;
    line-height: 1.4;
}

/* No data */
.evnnpc-no-data {
    text-align: center;
    padding: 40px 24px;
    color: #5a6a7e;
}
.evnnpc-no-data-icon {
    font-size: 3rem;
    margin-bottom: 10px;
}
.evnnpc-no-data p {
    margin: 0;
    font-size: .95rem;
}

/* Error */
.evnnpc-error {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff5f5;
    border: 1px solid #fcc;
    border-radius: 8px;
    padding: 14px 18px;
    margin: 16px 24px;
    color: #c0392b;
    font-size: .9rem;
}

/* Source note */
.evnnpc-source-note {
    margin: 12px 0 0;
    font-size: .75rem;
    color: #9aa5b4;
}
.evnnpc-source-note a {
    color: #0057a8;
}

/* Responsive */
@media (max-width: 480px) {
    .evnnpc-header { padding: 16px; }
    .evnnpc-tab { font-size: .8rem; padding: 12px 8px; }
    .evnnpc-tab-content { padding: 16px; }
    .evnnpc-title { font-size: 1rem; }
}