:root {
    --bg-dark: #0f111a;
    --bg-panel: rgba(23, 25, 35, 0.6);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);

    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.5);

    --accent: #ec4899;
    --accent-glow: rgba(236, 72, 153, 0.3);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);

    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #0f111a;

    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* --- Animated Background Orbs --- */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite alternate ease-in-out;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
}

.orb-2 {
    bottom: -10%;
    right: -10%;
    width: 40vw;
    height: 40vw;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    animation-delay: -5s;
}

.orb-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    animation-delay: -10s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(5%, 5%) scale(1.1);
    }
}

/* --- Layout --- */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 100vh;
}

/* --- Glassmorphism --- */
.glass-panel {
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    padding: 2rem;
    transition: var(--transition);
}

header.glass-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo i {
    font-size: 2rem;
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

header .highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

header .subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.header-actions {
    margin-left: auto;
    margin-right: 1rem;
}

/* --- Utilities --- */
.hidden {
    display: none !important;
}

.card-animate {
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Buttons --- */
button {
    font-family: var(--font-sans);
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    color: white;
    padding: 0.75rem 1.5rem;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover:not(.disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--text-muted);
    box-shadow: none;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-light);
    padding: 0.5rem 1rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.btn-icon {
    background: transparent;
    color: var(--text-muted);
    font-size: 1.25rem;
    padding: 0.25rem;
}

.btn-icon:hover {
    color: var(--danger);
    transform: scale(1.1);
}

.login-shell {
    display: flex;
    justify-content: center;
    width: 100%;
}

.login-card {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    padding: 2.5rem;
    border: 1px solid var(--border-light);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(0, 0, 0, 0.16));
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

.login-panel {
    max-width: 560px;
    width: 100%;
    margin: 0 auto;
}

.login-badge {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.22), rgba(236, 72, 153, 0.18));
    color: var(--text-main);
    font-size: 1.6rem;
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.22);
}

.login-card h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.login-copy {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    color: var(--text-main);
    font-weight: 500;
}

.form-field span {
    display: block;
}

.form-input {
    width: 100%;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.login-form .btn-primary {
    width: 100%;
    margin-top: 0.5rem;
}

.login-helper {
    margin-top: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.login-note {
    margin-top: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.92rem;
}

@media (max-width: 760px) {
    .app-container {
        padding: 1rem;
    }

    header.glass-panel {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .header-actions {
        margin: 0;
        width: 100%;
    }

    .header-actions .btn-secondary {
        width: 100%;
    }

    .login-card {
        padding: 1.5rem;
    }
}

/* --- Upload Section --- */
.upload-header {
    margin-bottom: 2rem;
    text-align: center;
}

.upload-header p {
    color: var(--text-muted);
}

.drag-drop-zone {
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.drag-drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.drag-drop-zone .upload-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.drag-drop-zone h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.drag-drop-zone p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.file-info {
    margin-top: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.file-info i {
    color: var(--danger);
    font-size: 1.5rem;
}

.upload-actions {
    margin-top: 2rem;
    text-align: center;
}

/* --- Processing Section --- */
.processing-container {
    text-align: center;
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.spinner-ring {
    width: 64px;
    height: 64px;
    border: 4px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.progress-track {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 1rem;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* --- Results Section --- */
.results-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.title-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge.completed {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge.review {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.badge.failed {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.actions-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.metric {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-mono);
}

/* Alerts */
.alerts-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.alert {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--primary);
    align-items: flex-start;
}

.alert.warning {
    border-left-color: var(--warning);
    background: var(--warning-bg);
}

.alert.danger {
    border-left-color: var(--danger);
    background: var(--danger-bg);
}

.alert i {
    font-size: 1.25rem;
}

/* --- Table Styles --- */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.2);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th,
td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

th {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    position: sticky;
    top: 0;
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

tbody tr:last-child td {
    border-bottom: none;
}

.col-id {
    width: 5%;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.col-desc {
    width: 45%;
    font-weight: 500;
}

.col-qty,
.col-unit,
.col-amount {
    width: 12%;
    font-family: var(--font-mono);
    text-align: right;
}

.col-source {
    width: 14%;
    text-align: right;
}

th.col-qty,
th.col-unit,
th.col-amount,
th.col-source {
    text-align: right;
}

.null-value {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.85rem;
}

.source-tag {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    white-space: nowrap;
}

.source-tag.table {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.source-tag.expense {
    background: rgba(99, 102, 241, 0.2);
    color: #818cf8;
}

.source-tag.merged {
    background: rgba(236, 72, 153, 0.2);
    color: #f472b6;
}

.summary-row.expandable {
    cursor: pointer;
}

.summary-row.expandable:hover {
    background: rgba(255, 255, 255, 0.06);
}

.summary-row.expanded {
    background: rgba(99, 102, 241, 0.08);
}

.summary-desc-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.summary-main-line {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.expand-icon {
    width: 1rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.expand-icon.placeholder {
    opacity: 0;
}

.supporting-count {
    margin-left: 1.65rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.detail-row {
    background: rgba(255, 255, 255, 0.03);
}

.detail-row td {
    padding: 0;
}

.detail-row.collapsed {
    display: none;
}

.detail-panel {
    padding: 1rem 1.25rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.detail-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.detail-panel-title {
    font-size: 0.95rem;
    font-weight: 700;
}

.detail-panel-subtitle {
    margin-top: 0.2rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.detail-group {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.16);
}

.detail-group-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0.85rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.detail-group-table-wrap {
    overflow-x: auto;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
}

.detail-table th,
.detail-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    vertical-align: top;
}

.detail-table th {
    position: static;
    background: rgba(255, 255, 255, 0.025);
    font-size: 0.72rem;
}

.detail-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.detail-table td:nth-child(2),
.detail-table td:nth-child(3),
.detail-table th:nth-child(2),
.detail-table th:nth-child(3) {
    text-align: right;
    font-family: var(--font-mono);
    white-space: nowrap;
}

.detail-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin: 0 0.4rem 0.4rem 0;
    padding: 0.35rem 0.55rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    font-size: 0.72rem;
    line-height: 1.2;
}

.detail-badge strong {
    color: white;
}

/* Table Footer */
.results-footer {
    display: flex;
    justify-content: flex-end;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.totals-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.totals-row span {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.totals-row h3 {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    color: var(--success);
}

/* --- Toasts --- */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 1000;
}

.toast {
    background: var(--bg-panel);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

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

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .detail-group-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-table th,
    .detail-table td {
        padding: 0.75rem;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 1rem;
    }

    header.glass-panel {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-container {
        font-size: 0.85rem;
    }
}