/* ===== CSS Variables ===== */
:root {
    --color-navy: #002949;
    --color-teal: #3c8dbc;
    --color-teal-light: #e8f4f8;
    --color-white: #ffffff;
    --color-gray-50: #f8f9fa;
    --color-gray-100: #f1f3f5;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #868e96;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    --color-border: #dde1e5;
    --color-row-hover: #f0f7fb;
    --color-row-alt: #fafbfc;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --header-height: 60px;
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-900);
    background: var(--color-white);
    line-height: 1.5;
}

/* ===== Header (shared) ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 24px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-white);
}

.header__logo img {
    height: 36px;
    width: auto;
}

.header__right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header__badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-navy);
    font-size: 14px;
    font-weight: 600;
}

.header__badge svg {
    width: 20px;
    height: 20px;
    fill: var(--color-teal);
}

.header__help {
    color: var(--color-gray-600);
    font-size: 13px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== Landing Page ===== */
.landing {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
    text-align: center;
    padding: 40px 24px;
}

.landing__icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.landing__icon svg {
    width: 64px;
    height: 64px;
    fill: var(--color-teal);
}

.landing__title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
}

.landing__subtitle {
    font-size: 16px;
    color: var(--color-gray-600);
    margin-bottom: 8px;
    max-width: 480px;
}

.landing__view-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: 32px;
}

.landing__btn {
    display: inline-block;
    padding: 12px 32px;
    background: var(--color-teal);
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
}

.landing__btn:hover {
    background: var(--color-navy);
}

.landing__footer {
    position: fixed;
    bottom: 24px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 13px;
    color: var(--color-gray-500);
}

/* ===== Toolbar ===== */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    border-bottom: 1px solid var(--color-border);
}

.toolbar__left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toolbar__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy);
}

.toolbar__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-white);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.toolbar__btn:hover {
    border-color: var(--color-teal);
    background: var(--color-teal-light);
}

.toolbar__btn svg {
    width: 14px;
    height: 14px;
}

.toolbar__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar__pill {
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-gray-600);
    background: var(--color-white);
}

/* ===== Data Grid ===== */
.grid-container {
    padding: 0 24px;
    overflow-x: auto;
}

.grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.grid th {
    background: var(--color-gray-100);
    color: var(--color-navy);
    font-weight: 600;
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    position: relative;
}

.grid th:hover {
    background: var(--color-gray-200);
}

.grid th .sort-arrow {
    font-size: 10px;
    margin-left: 4px;
    color: var(--color-gray-400);
}

.grid th .sort-arrow.active {
    color: var(--color-teal);
}

.grid td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.grid tr:nth-child(even) {
    background: var(--color-row-alt);
}

.grid tr:hover td {
    background: var(--color-row-hover);
}

.grid__attach-icon {
    cursor: pointer;
    color: var(--color-teal);
    transition: color 0.2s;
}

.grid__attach-icon:hover {
    color: var(--color-navy);
}

.grid__checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--color-teal);
    pointer-events: none;
}

/* ===== Query Builder Modal ===== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 100;
    align-items: center;
    justify-content: center;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    width: 480px;
    max-width: 90vw;
}

.modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.modal__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-navy);
}

.modal__close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: 4px;
    line-height: 1;
}

.modal__close:hover {
    color: var(--color-gray-800);
}

.modal__body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modal__label {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-gray-700);
}

.modal__select,
.modal__input {
    padding: 8px 12px;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-gray-800);
    background: var(--color-white);
    font-family: var(--font-family);
}

.modal__select:focus,
.modal__input:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 2px rgba(60, 141, 188, 0.2);
}

.modal__actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
}

.modal__btn-primary {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    background: var(--color-teal);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.modal__btn-primary:hover {
    background: var(--color-navy);
}

.modal__btn-secondary {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.2s;
}

.modal__btn-secondary:hover {
    border-color: var(--color-gray-400);
}

/* ===== PDF Viewer Panel ===== */
.pdf-panel {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 60%;
    height: 100vh;
    background: var(--color-white);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
    z-index: 90;
    flex-direction: column;
}

.pdf-panel.open {
    display: flex;
}

.pdf-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-gray-50);
}

.pdf-panel__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-navy);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-panel__close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: 4px 8px;
    line-height: 1;
}

.pdf-panel__close:hover {
    color: var(--color-gray-800);
}

.pdf-panel__body {
    flex: 1;
    overflow: hidden;
}

.pdf-panel__body embed,
.pdf-panel__body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.pdf-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 80;
}

.pdf-backdrop.open {
    display: block;
}