:root {
    --bg-color: #1a1a2e;
    --card-bg-color: #16213e;
    --text-color: #e0e0e0;
    --heading-color: #0f3460;
    --accent-color: #e94560;
    --secondary-accent-color: #533483;
    --border-color: rgba(83, 52, 131, 0.5);
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2em;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    font-size: 1.8em;
    border-bottom: 2px solid var(--secondary-accent-color);
    padding-bottom: 10px;
    margin-top: 0;
    margin-bottom: 1.5em;
    color: var(--text-color);
    font-weight: 600;
}

nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1em;
    background-color: var(--card-bg-color);
    border-radius: 12px;
    margin-bottom: 2em;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 8px;
    margin: 5px;
    background-color: transparent;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    font-weight: 500;
}

nav a:hover {
    background-color: var(--secondary-accent-color);
    color: #ffffff;
}

nav a.active {
    background-color: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
}

.card {
    background-color: var(--card-bg-color);
    padding: 2em;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    margin-bottom: 2em;
    border: 1px solid var(--border-color);
}

.message {
    padding: 15px; margin-bottom: 20px; border-radius: 8px; font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); color: #fff;
}
.message.success { background-color: var(--success-color); }
.message.error { background-color: var(--error-color); }
.message.warning { background-color: var(--warning-color); color: #1a1a2e; }

.form-group {
    margin-bottom: 1.5em;
}

label {
    display: block;
    margin-bottom: 0.5em;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9em;
}

input[type="text"], input[type="password"], select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--secondary-accent-color);
    border-radius: 6px;
    background-color: #2a3b5c;
    color: var(--text-color);
    font-size: 1em;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

input[type="text"]:focus, input[type="password"]:focus, select:focus, textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(233, 69, 96, 0.4);
    outline: none;
}

textarea {
    min-height: 250px;
    resize: vertical;
}

.button, button {
    background-color: var(--accent-color);
    color: #ffffff;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    text-align: center;
    display: inline-block;
}

.button:hover, button:hover {
    background-color: #c43b52;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
}

.button-secondary {
    background-color: var(--secondary-accent-color);
}
.button-secondary:hover {
    background-color: #432a6a;
}


table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border-bottom: 1px solid var(--border-color);
    padding: 15px;
    text-align: left;
    vertical-align: middle;
}

th {
    background-color: #0f3460;
    color: #ffffff;
    font-weight: 600;
    font-size: 0.9em;
}

tr:hover {
    background-color: rgba(83, 52, 131, 0.2);
}

.pnl-pos { color: var(--success-color); font-weight: 600; }
.pnl-neg { color: var(--error-color); font-weight: 600; }

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    text-decoration: underline;
}

a.link-danger {
    color: #ff8a80;
}
a.link-danger:hover {
    color: var(--error-color);
}

.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5em;
}

.action-group {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-start;
}

.action-group .button {
    padding: 8px 15px;
    font-size: 0.9em;
}

.note-form {
    display: flex;
    align-items: center;
    gap: 10px;
}
.note-form input {
    flex-grow: 1;
}