/* ============================================
   経費申請システム - Brutalist Design System
   注文書作成ツールのUIを完全踏襲
   ============================================ */

:root {
    --primary-color: #000000;
    --primary-hover: #333333;
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-muted: #888888;
    --border-color: #e5e5e5;
    --glass-bg: #ffffff;
    --status-pending: #f59e0b;
    --status-approved: #10b981;
    --status-rejected: #ef4444;
    --status-confirmed: #3b82f6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 60px 20px;
    letter-spacing: 0.05em;
}

.app-container {
    width: 100%;
    max-width: 1200px;
}

.form-container {
    width: 100%;
    background-color: transparent;
    border-radius: 0;
}

/* ===== Header ===== */
.app-header {
    text-align: center;
    margin-bottom: 40px;
}

.app-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #000000;
    letter-spacing: 0.1em;
}

.login-header {
    margin-bottom: 20px;
}

.login-subtitle {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.user-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 4px 14px;
    font-size: 0.8rem;
    font-family: inherit;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    border-color: #000;
    color: #000;
}

/* ===== Card / Glass ===== */
.card.glass {
    background: var(--glass-bg);
    border: 1px solid #000000;
    border-radius: 0px;
    padding: 50px;
    margin-bottom: 40px;
}

/* ===== Headings ===== */
h2 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 30px;
    color: var(--text-color);
    border-bottom: 1px solid #000000;
    padding-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.1em;
}

/* ===== Form Elements ===== */
.form-group {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    align-items: flex-end;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-color);
}

.required {
    color: #ef4444;
    margin-left: 4px;
}

input[type="text"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 16px 16px;
    border: 1px solid #000000;
    border-radius: 0px;
    font-size: 1rem;
    font-family: inherit;
    background-color: transparent;
    transition: all 0.3s ease;
    color: var(--text-color);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #000000;
    box-shadow: 0 0 0 1px #000000;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Select Dropdown */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='1.5' stroke-linecap='square' stroke-linejoin='miter'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 2.5rem;
    cursor: pointer;
}

input[type="date"] {
    appearance: none;
    -webkit-appearance: none;
    display: block;
    width: 100%;
}

/* ===== Buttons ===== */
.btn {
    padding: 16px 24px;
    border: 1px solid #000000;
    border-radius: 0px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: #000000;
    font-family: inherit;
}

.btn:hover {
    background-color: #000000;
    color: #ffffff;
}

.btn:disabled {
    background-color: transparent;
    border-color: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
}

.btn:disabled:hover {
    background-color: transparent;
    color: #94a3b8;
}

.submit-btn {
    width: 100%;
    background-color: #000000;
    color: #ffffff;
    font-size: 1.1rem;
    font-weight: 400;
    padding: 20px;
    margin-top: 20px;
    letter-spacing: 0.2em;
    border-radius: 0px;
}

.submit-btn:hover {
    background-color: #ffffff;
    color: #000000;
    border: 1px solid #000000;
}

/* ===== Tabs ===== */
.tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 0 auto 40px auto;
    max-width: 800px;
    border-bottom: 1px solid #000000;
    transition: max-width 0.3s ease;
}

.tabs.wide {
    max-width: 1200px;
}

.tab-btn {
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #888888;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.tab-btn:hover {
    color: #000000;
}

.tab-btn.active {
    color: #000000;
    border-bottom: 3px solid #000000;
}

/* ===== Sub Filter Tabs ===== */
.sub-filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid #e5e5e5;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: #888888;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.filter-btn:hover {
    border-color: #000000;
    color: #000000;
}

.filter-btn.active {
    background-color: #000000;
    border-color: #000000;
    color: #ffffff;
}

/* ===== History / Data Table ===== */
.history-table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-align: left;
}

.history-table th,
.history-table td {
    padding: 16px 12px;
    border-bottom: 1px solid #e5e5e5;
    color: #000000;
}

.history-table td {
    white-space: nowrap;
}

.history-table th {
    font-weight: 500;
    color: #888888;
    border-bottom: 1px solid #000000;
    white-space: nowrap;
}

.history-table tbody tr {
    transition: background-color 0.2s ease;
}

.history-table tbody tr:hover {
    background-color: #f9f9f9;
}

.loading-text {
    text-align: center;
    padding: 40px;
    color: #888888;
    letter-spacing: 0.1em;
}

/* ===== Status Badges ===== */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    border: 1px solid;
}

.status-pending {
    color: var(--status-pending);
    border-color: var(--status-pending);
    background: #fffbeb;
}

.status-approved {
    color: var(--status-approved);
    border-color: var(--status-approved);
    background: #ecfdf5;
}

.status-rejected {
    color: var(--status-rejected);
    border-color: var(--status-rejected);
    background: #fef2f2;
}

.status-confirmed {
    color: var(--status-confirmed);
    border-color: var(--status-confirmed);
    background: #eff6ff;
}

/* ===== Camera Area ===== */
.camera-area {
    border: 2px dashed #000000;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.camera-area:hover {
    background-color: #f9f9f9;
}

.camera-placeholder {
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.camera-placeholder p {
    margin-top: 12px;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

.camera-sub {
    font-size: 0.8rem !important;
    color: #bbbbbb !important;
    margin-top: 4px !important;
}

.receipt-preview {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.camera-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.camera-actions .btn {
    flex: 1;
}

/* ===== OCR Loading ===== */
.ocr-loading {
    text-align: center;
    padding: 30px;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e5e5e5;
    border-top: 3px solid #000000;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== Invoice Input ===== */
.invoice-input-wrapper {
    display: flex;
    gap: 8px;
}

.invoice-input-wrapper input {
    flex: 1;
}

.btn-invoice-search {
    padding: 16px 20px;
    border: 1px solid #000;
    background: transparent;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-invoice-search:hover {
    background: #000;
    color: #fff;
}

.invoice-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ===== Login ===== */
.login-form-wrapper {
    max-width: 500px;
    margin: 0 auto;
}

.login-card {
    text-align: left;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}

.modal-content {
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.2s ease;
}

.modal-wide {
    max-width: 700px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.modal-actions .btn {
    flex: 1;
}

/* ===== Detail Modal Content ===== */
.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-muted);
    font-weight: 400;
}

.detail-value {
    font-weight: 500;
    text-align: right;
    max-width: 60%;
    word-break: break-all;
}

.detail-receipt-img {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    margin-top: 16px;
    border: 1px solid var(--border-color);
}

/* ===== Action Buttons in Table ===== */
.action-btn {
    display: inline-block;
    padding: 6px 12px;
    border: 1px solid #000000;
    color: #000000;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    white-space: nowrap;
    cursor: pointer;
    background: transparent;
    font-family: inherit;
    letter-spacing: 0.05em;
}

.action-btn:hover {
    background-color: #000000;
    color: #ffffff;
}

.action-btn.approve {
    border-color: var(--status-approved);
    color: var(--status-approved);
}

.action-btn.approve:hover {
    background-color: var(--status-approved);
    color: #fff;
    border-color: var(--status-approved);
}

.action-btn.reject {
    border-color: var(--status-rejected);
    color: var(--status-rejected);
}

.action-btn.reject:hover {
    background-color: var(--status-rejected);
    color: #fff;
    border-color: var(--status-rejected);
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 16px 24px;
    border: 1px solid #000;
    background: #fff;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    font-family: inherit;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 360px;
}

.toast.success {
    border-color: var(--status-approved);
    border-left: 4px solid var(--status-approved);
}

.toast.error {
    border-color: var(--status-rejected);
    border-left: 4px solid var(--status-rejected);
}

.toast.info {
    border-color: var(--status-confirmed);
    border-left: 4px solid var(--status-confirmed);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(40px);
    }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    body {
        padding: 20px 10px;
    }

    input[type="text"],
    input[type="number"],
    input[type="date"],
    select,
    textarea {
        padding: 12px;
        font-size: 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .card.glass {
        padding: 20px;
        margin-bottom: 20px;
    }

    .sub-filter-tabs {
        flex-wrap: wrap;
        gap: 6px;
    }

    .filter-btn {
        flex: 0 0 auto;
        padding: 6px 10px;
        font-size: 0.75rem;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    .camera-actions {
        flex-direction: column;
    }

    .invoice-input-wrapper {
        flex-direction: column;
    }

    .modal-content {
        padding: 20px !important;
    }

    .history-table th,
    .history-table td {
        padding: 12px 8px;
        font-size: 0.78rem;
    }

    .toast {
        max-width: calc(100vw - 40px);
    }
}

@media (max-width: 480px) {
    .app-header h1 {
        font-size: 1.3rem;
    }

    .tabs {
        flex-wrap: wrap;
    }
}