/* --- Office Theme Variables --- */
:root {
    --color-primary-accent: #3498db;    /* Calm Office Blue */
    --color-secondary-accent: #2980b9;  /* Darker Blue */
    --color-bg-light: #f4f7f9;          /* Page Background */
    --color-card-bg: #ffffff;           /* Card/Form Background White */
    --color-text-dark: #2c3e50;         /* Deep Navy main text */
    --color-text-light: #7f8c8d;        /* Secondary text */
    --color-input-border: #e0e6ec;      /* Subtle border */
    --color-success: #2ecc71;           /* Green for success messages/buttons */
    --color-alert: #e74c3c;             /* Red for error messages */
    --color-warning: #f1c40f;           /* Yellow for transfers (main button) */
    
    --font-family-body: 'Inter', sans-serif;
    --font-family-heading: 'Montserrat', sans-serif;
    --border-radius-sm: 6px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
}

body {
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light);
    font-family: var(--font-family-body);
}

/* --- Headings and Messages --- */
h2 {
    font-family: var(--font-family-heading);
    color: var(--color-text-dark);
    font-size: 2em;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-input-border);
    padding-bottom: var(--spacing-sm);
}

h3 {
    font-family: var(--font-family-body);
    color: var(--color-text-dark);
    font-size: 1.4em;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

/* Success/Error Alerts */
p[style*="color:red"] {
    background-color: #fbecec;
    border: 1px solid var(--color-alert);
    color: var(--color-alert) !important;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

p[style*="color:green"] {
    background-color: #e8f9e8;
    border: 1px solid var(--color-success);
    color: var(--color-success) !important;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* --- Transfer Form Styling --- */
form[method="post"] {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Desktop: 3 columns */
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    max-width: 100%;
    box-sizing: border-box;
}

/* Form group: label above input */
form[method="post"] .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

form[method="post"] .form-group label {
    font-weight: 600;
    color: var(--color-text-dark);
}

form[method="post"] select,
form[method="post"] input[type="number"] {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-input-border);
    border-radius: var(--border-radius-sm);
    font-size: 1em;
    color: var(--color-text-dark);
    background-color: #fcfcfc;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

form[method="post"] select:focus,
form[method="post"] input[type="number"]:focus {
    border-color: var(--color-primary-accent);
    outline: none;
    box-shadow: 0 0 0 1px rgba(52, 152, 219, 0.2);
}

/* Transfer Button */
form[method="post"] button[type="submit"] {
    grid-column: span 3; /* Full width on desktop */
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-warning);
    color: var(--color-text-dark);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

form[method="post"] button[type="submit"]:hover {
    background-color: var(--color-primary-accent);
    color: white;
}

/* --- Stock Data Table --- */
table.stock-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    max-width: 100%;
    table-layout: auto;
}

table.stock-table th, table.stock-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95em;
}

table.stock-table th {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85em;
    letter-spacing: 0.5px;
}

table.stock-table tr:nth-child(even) { background-color: #fcfcfc; }
table.stock-table tr:hover { background-color: #eff5ff; }

table.stock-table td:last-child {
    font-weight: 600;
    text-align: center;
}

/* --- Responsive Table --- */
@media (max-width: 900px) {
    table.stock-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* --- Form Responsive Breakpoints --- */
/* Tablet: 2 columns */
@media (max-width: 900px) {
    form[method="post"] {
        grid-template-columns: repeat(2, 1fr);
    }
    form[method="post"] button[type="submit"] {
        grid-column: span 2;
    }
}

/* Mobile: 1 column */
@media (max-width: 600px) {
    form[method="post"] {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    form[method="post"] button[type="submit"] {
        grid-column: span 1;
    }
}

/* Select2 full width */
.select2-container {
    width: 100% !important;
}