:root {
    --primary: #FF5A1F;
    --primary-dark: #E14F1B;
    --secondary: #0C1014;
    --accent: #FFD4C2;
    --bg: #F8FAFC;
    --card-bg: #FFFFFF;
    --text: #1E293B;
    --text-muted: #64748B;
    --income-color: #10B981;
    --expense-color: #EF4444;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 12px;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}

/* Navbar */
.navbar {
    background-color: var(--secondary);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-logo {
    height: 40px;
    width: auto;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-submit {
    background-color: var(--secondary);
    color: white;
    width: 100%;
    margin-top: 1rem;
}

.btn-submit:hover {
    background-color: #1a222a;
}

.btn-connected {
    background-color: var(--income-color);
    color: white;
    cursor: default;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

/* Dashboard Header */
.dashboard-header {
    margin-bottom: 2.5rem;
}

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

.dashboard-header h1 {
    font-size: 2.5rem;
    color: var(--secondary);
}

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

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
    text-decoration: none;
    display: inline-block;
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stats-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stats-card h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stats-card p {
    font-size: 1.8rem;
    font-weight: 700;
}

.stats-card.income p { color: var(--income-color); }
.stats-card.expense p { color: var(--expense-color); }
.stats-card.balance p { color: var(--secondary); }

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
    grid-template-areas: 
        "form list"
        "form chart"
        "form lookup";
}

.form-section { grid-area: form; }
.list-section { grid-area: list; }
.chart-section { grid-area: chart; }
.lookup-section { grid-area: lookup; }

@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "form"
            "list"
            "chart"
            "lookup";
    }
}

/* Quick Log */
.quick-log {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #E2E8F0;
}

.quick-log h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.quick-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.btn-quick {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
    border-radius: 8px;
    background: #F1F5F9;
    color: var(--text);
    border: 1px solid #E2E8F0;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

.btn-quick:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* Lookup Section */
.lookup-desc {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.lookup-result {
    margin-top: 1rem;
}

.lookup-success {
    background: #ECFDF5;
    border: 1px solid var(--income-color);
    border-radius: 8px;
    padding: 1rem;
}

.lookup-success h4 { margin-bottom: 0.5rem; }
.lookup-success pre {
    font-size: 0.75rem;
    overflow-x: auto;
    background: white;
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.lookup-error {
    color: var(--expense-color);
    font-size: 0.875rem;
}

.lookup-loading {
    color: var(--text-muted);
}

.lookup-note {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.lookup-note a {
    color: var(--primary);
}

/* Contract Info */
.contract-info {
    margin-top: 2rem;
    text-align: center;
}

.contract-info p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.contract-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #F1F5F9;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 0.875rem;
}

.badge-label {
    font-weight: 600;
    color: var(--text-muted);
}

.badge-value {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.badge-value:hover {
    text-decoration: underline;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card h2 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus {
    outline: 2px solid var(--primary);
    border-color: transparent;
}

/* Transaction List */
.transaction-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
}

.tx-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #F8FAFC;
    border-radius: 8px;
}

.tx-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.tx-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.tx-amount {
    font-weight: 700;
}

.tx-income { color: var(--income-color); }
.tx-expense { color: var(--expense-color); }

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .stats-grid, .main-grid {
        grid-template-columns: 1fr;
    }
}

.stats-card { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.stats-card:hover { transform: translateY(-2px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }

.tx-item { transition: background-color 0.15s ease; }
.tx-item:hover { background-color: #F1F5F9; }

.nav-logo { transition: opacity 0.2s; }
.nav-logo:hover { opacity: 0.9; }

.btn:focus, input:focus, select:focus { outline: 2px solid var(--primary-dark); outline-offset: 2px; }

input:user-invalid { border-color: var(--expense-color); }
input:user-valid { border-color: var(--income-color); }

@media print { .navbar, .form-section { display: none; } }