/* Core Global Dynamic Theme Variable System */
.dark-mode {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --panel-bg: rgba(30, 41, 59, 0.7);
    --input-bg: rgba(15, 23, 42, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-hover: #2563eb;
    --table-row-border: rgba(255, 255, 255, 0.03);
}

.light-mode {
    --bg-gradient: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    --panel-bg: rgba(255, 255, 255, 0.85);
    --input-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.08);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --table-row-border: rgba(0, 0, 0, 0.04);
}

:root {
    --success: #10b981;
    --danger: #ef4444;
    --font-stack: 'Inter', sans-serif;
}

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

body {
    background: var(--bg-gradient);
    color: var(--text-main);
    font-family: var(--font-stack);
    min-height: 100vh;
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.3s ease, color 0.3s ease;
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Theme Toggle Button Styling */
.theme-toggle-btn {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    cursor: pointer;
    color: var(--text-main);
    font-family: var(--font-stack);
    font-weight: 500;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    transform: translateY(-1px);
}

.dark-mode .icon-moon,
.light-mode .icon-sun {
    display: block;
}

.dark-mode .icon-sun,
.light-mode .icon-moon {
    display: none;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 900px) {
    .layout-grid {
        grid-template-columns: 450px 1fr;
    }
}

.card {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
    transition: background 0.3s ease, border 0.3s ease;
}

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

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input, select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-main);
    font-family: var(--font-stack);
    font-size: 1rem;
    transition: all 0.2s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.btn-primary {
    width: 100%;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.85rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-top: 1rem;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.results-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.placeholder-text {
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
}

.hidden {
    display: none !important;
}

.results-content h2 {
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.summary-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-card {
    padding: 1.25rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.profit-card { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); }
.loss-card { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.2); }

.summary-card .lbl { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; text-transform: uppercase;}
.summary-card .val { font-size: 1.35rem; font-weight: 700; }
.profit-card .val { color: var(--success); }
.loss-card .val { color: var(--danger); }

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.data-table th {
    text-align: left;
    padding: 0.5rem 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--accent-primary);
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--table-row-border);
}

.text-right { text-align: right; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.text-highlight { color: #f59e0b; }

.highlight-row-sl td { color: var(--danger); background: rgba(239, 68, 68, 0.05); padding: 0.65rem 0.5rem; }
.highlight-row-tgt td { color: var(--success); background: rgba(16, 185, 129, 0.05); padding: 0.65rem 0.5rem; }
.total-charges-row td { border-top: 1px dashed var(--text-muted); padding-top: 0.75rem; color: var(--text-main); }

/* Append these sections to your existing style.css */
.left-column {
    display: flex;
    flex-direction: column;
}

.analysis-section {
    border: 1px solid rgba(59, 130, 246, 0.2);
    /* background: linear-gradient(180deg, var(--panel-bg) 0%, rgba(228, 228, 228, 0.4) 100%); */
    border-radius: 12px;
    padding: 1.5rem !important;
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.analysis-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.price-badge {
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
}

.price-pos { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.price-neg { background: rgba(239, 68, 68, 0.2); color: var(--danger); }

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    font-size: 0.85rem;
}

.ana-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
}

.ana-stat span {
    color: var(--text-muted);
}

.ana-stat strong {
    color: var(--text-main);
}

.terminal-container {
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 2rem;
}

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

.stock-header h1 { margin: 0; font-size: 2.5rem; letter-spacing: -0.05em; }
.price-block { text-align: right; }
.price-value { font-size: 2.5rem; font-weight: bold; }
.price-change { font-size: 1.1rem; font-weight: 600; margin-top: 0.25rem; }

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.card h3 {
    margin-top: 0;
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.data-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px dashed #334155;
}
.data-row:last-child { border-bottom: none; }
.data-row span { color: var(--text-muted); }
.text-muted { color: var(--text-muted); }