/* APEX Intelligence - Professional Design System */
:root {
    --black: #000000;
    --gray-950: #0a0a0a;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-400: #9ca3af;
    --gray-200: #e5e7eb;
    --white: #ffffff;
    --green: #10b981;
    --red: #ef4444;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    --orange: #f97316;
    --font-mono: 'IBM Plex Mono', monospace;
    --font-sans: 'Work Sans', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background: var(--gray-950);
    color: var(--white);
    line-height: 1.5;
    overflow-x: hidden;
}

.brand-apex {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--white);
    text-transform: uppercase;
}

.brand-sub {
    font-family: var(--font-sans);
    font-weight: 300;
    color: var(--gray-400);
    margin-left: 0.5rem;
}

.brand-large .brand-apex {
    font-size: 4rem;
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.brand-large .brand-sub {
    font-size: 1.5rem;
    display: block;
    margin-left: 0;
}

.topbar {
    background: var(--black);
    border-bottom: 3px solid var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.topbar-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.brand {
    text-decoration: none;
    display: flex;
    align-items: baseline;
}

.nav-links {
    display: flex;
    gap: 3rem;
}

.nav-item {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 0.5rem 0;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}

.nav-item:hover {
    border-bottom-color: var(--white);
}

.nav-logout {
    color: var(--red);
}

.alerts {
    position: fixed;
    top: 6rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
}

.alert {
    background: var(--gray-900);
    border: 3px solid var(--white);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.alert-success { border-color: var(--green); }
.alert-error { border-color: var(--red); }
.alert-warning { border-color: var(--orange); }

.alert-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    width: 100%;
    border: 4px solid var(--white);
    background: var(--gray-900);
    overflow: hidden;
}

.auth-visual {
    position: relative;
    background: var(--black);
    padding: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-grid {
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 99px, var(--gray-900) 99px, var(--gray-900) 100px),
        repeating-linear-gradient(90deg, transparent, transparent 99px, var(--gray-900) 99px, var(--gray-900) 100px);
    opacity: 0.3;
}

.visual-text {
    position: relative;
    z-index: 1;
}

.visual-text h1 {
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 0.9;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.auth-form-wrap {
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-header {
    margin-bottom: 3rem;
}

.auth-tagline {
    color: var(--gray-400);
    font-size: 1.125rem;
    margin-top: 1rem;
}

.auth-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--gray-400);
}

.auth-footer a {
    color: var(--white);
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--white);
}

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-field input,
.form-field textarea,
.select-input {
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
    color: var(--white);
    padding: 1rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: all 0.2s;
}

.form-field input:focus,
.form-field textarea:focus,
.select-input:focus {
    outline: none;
    border-color: var(--white);
}

.btn {
    padding: 1rem 2rem;
    border: 3px solid var(--white);
    background: var(--white);
    color: var(--black);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
    transition: all 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--purple);
    border-color: var(--purple);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.page-title {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-400);
    font-size: 1.125rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.metric-card {
    background: var(--gray-900);
    border: 3px solid var(--white);
    padding: 2rem;
    position: relative;
    transition: all 0.2s;
}

.metric-card:hover {
    transform: translateY(-4px);
}

.metric-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
}

.metric-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    opacity: 0.2;
}

.metric-value.positive { color: var(--green); }
.metric-value.negative { color: var(--red); }

.panel {
    background: var(--gray-900);
    border: 3px solid var(--white);
    margin-bottom: 2rem;
}

.panel-header {
    padding: 1.5rem 2rem;
    border-bottom: 3px solid var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-action {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 2px solid var(--white);
}

.panel-body {
    padding: 2rem;
}

.trans-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trans-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
    transition: all 0.2s;
}

.trans-item:hover {
    border-color: var(--white);
}

.trans-info {
    flex: 1;
}

.trans-desc {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.trans-meta {
    font-size: 0.875rem;
    color: var(--gray-400);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.trans-category {
    padding: 0.25rem 0.75rem;
    background: var(--gray-700);
    border-radius: 2px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.trans-amount {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
}

.trans-amount.positive { color: var(--green); }
.trans-amount.negative { color: var(--red); }

.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.action-box {
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    text-decoration: none;
    color: var(--white);
    transition: all 0.2s;
}

.action-box:hover {
    border-color: var(--white);
}

.action-icon {
    flex-shrink: 0;
}

.action-title {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.action-desc {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.upload-zone {
    border: 4px dashed var(--gray-700);
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 2rem;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--white);
    background: var(--gray-800);
}

.upload-icon {
    margin: 0 auto 1rem;
    display: block;
}

.upload-zone h3 {
    font-family: var(--font-mono);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.upload-zone p {
    color: var(--gray-400);
}

.file-preview {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--gray-800);
    border: 2px solid var(--white);
    margin-bottom: 2rem;
}

.file-icon {
    flex-shrink: 0;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.file-size {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.file-remove {
    background: var(--red);
    border: none;
    color: var(--white);
    font-size: 2rem;
    width: 3rem;
    height: 3rem;
    cursor: pointer;
    line-height: 1;
}

.format-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.format-item {
    display: flex;
    gap: 1rem;
}

.format-icon {
    flex-shrink: 0;
    color: var(--green);
}

.info-box {
    padding: 1.5rem;
    background: var(--gray-800);
    border-left: 4px solid var(--purple);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.info-icon {
    margin: 0 auto 1rem;
    display: block;
}

.info-box h4 {
    margin-bottom: 0.5rem;
}

.info-box p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

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

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

.data-table thead {
    background: var(--gray-800);
    border-bottom: 3px solid var(--white);
}

.data-table th {
    padding: 1.5rem 1rem;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.data-table td {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-800);
}

.data-table tbody tr:hover {
    background: var(--gray-800);
}

.text-right { text-align: right; }
.mono { font-family: var(--font-mono); }

.badge {
    padding: 0.25rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    border-radius: 2px;
}

.badge-income { background: var(--green); color: var(--white); }
.badge-expense { background: var(--red); color: var(--white); }

.type-badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    border: 2px solid;
}

.type-income { border-color: var(--green); color: var(--green); }
.type-expense { border-color: var(--red); color: var(--red); }

.positive { color: var(--green); }
.negative { color: var(--red); }

.chart-container {
    height: 400px;
    position: relative;
}

.chart-sm {
    height: 300px;
}

.category-row {
    display: grid;
    grid-template-columns: 200px 1fr 150px 120px;
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem;
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
    margin-bottom: 1rem;
}

.category-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.category-name {
    font-weight: 700;
}

.category-bar {
    height: 24px;
    background: var(--gray-700);
    position: relative;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    transition: width 0.6s;
}

.bar-fill.income { background: var(--green); }
.bar-fill.expense { background: var(--red); }

.category-amount {
    text-align: right;
    font-weight: 700;
}

.forecast-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.forecast-item {
    display: grid;
    grid-template-columns: 100px 1fr 150px 120px;
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem;
    background: var(--gray-800);
    border: 2px solid var(--gray-700);
}

.forecast-month {
    font-family: var(--font-mono);
    font-weight: 700;
}

.forecast-bar {
    height: 20px;
    background: var(--gray-700);
    position: relative;
}

.forecast-amount {
    text-align: right;
    font-weight: 700;
    font-size: 1.25rem;
}

.forecast-confidence {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.empty {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-large {
    padding: 6rem 2rem;
}

.empty-icon {
    margin: 0 auto 1rem;
    display: block;
}

.empty h3 {
    margin-bottom: 0.5rem;
}

.empty p {
    color: var(--gray-400);
    margin-bottom: 2rem;
}

.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.error-container {
    text-align: center;
    max-width: 600px;
}

.error-icon {
    margin: 0 auto 2rem;
    color: var(--red);
}

.error-container h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-container p {
    color: var(--gray-400);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 3rem;
}

.pagination-info {
    color: var(--gray-400);
    font-family: var(--font-mono);
}

@media (max-width: 1200px) {
    .auth-container {
        grid-template-columns: 1fr;
    }
    
    .auth-visual {
        display: none;
    }
}

/* Hamburger Menu Base Styles */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 968px) {
    .metrics-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    /* Show Hamburger Menu */
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--black);
        border-top: 3px solid var(--white);
        flex-direction: column;
        gap: 0;
        padding: 0 0 1rem 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
    }

    .nav-links.active {
        max-height: 600px;
        overflow-y: auto;
    }

    .nav-links .nav-item {
        padding: 1rem 2rem;
        width: 100%;
        border-bottom: 1px solid var(--gray-800);
        display: block;
        border-top: none;
        font-size: 0.875rem;
    }

    .trial-content {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .plan-header {
        flex-direction: column;
        gap: 1.5rem;
        align-items: flex-start;
    }

    .plan-actions {
        width: 100%;
    }

    .plan-actions .btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .page-title {
        font-size: 2rem;
    }
    
    .metrics-row {
        grid-template-columns: 1fr;
    }
    
    .topbar-inner {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .nav-links {
        position: absolute;
    }
    
    .category-row,
    .forecast-item {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }

    .plan-info {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
    }
    
    .header-actions .btn {
        flex: 1;
    }
    
    /* Auth form buttons full width on mobile */
    .auth-form-wrap .btn {
        width: 100%;
    }
}

/* Trial Banner */
.trial-banner {
    background: var(--gray-900);
    border: 3px solid var(--orange);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.trial-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.trial-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trial-info svg {
    color: var(--orange);
}

.trial-info strong {
    display: block;
    margin-bottom: 0.25rem;
}

.trial-info span {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Plan Card */
.plan-card {
    background: var(--gray-900);
    border: 3px solid var(--purple);
    margin-bottom: 2rem;
}

.plan-header {
    padding: 2rem;
    border-bottom: 3px solid var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plan-info {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.plan-info svg {
    color: var(--purple);
}

.plan-info h3 {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.plan-info p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.plan-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--green);
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.plan-details {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmin(200px, 1fr));
    gap: 2rem;
}

.plan-detail {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detail-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
}

.detail-value {
    font-weight: 700;
    font-size: 1.125rem;
}

@media (max-width: 480px) {
    .brand-apex {
        font-size: 1.2rem;
    }
    
    .topbar-inner {
        padding: 1rem 1.5rem;
    }
}