:root {
    --bg-app: #fdfcf8;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --primary: #475569;
    --primary-hover: #1e293b;
    --window-blue: #12325b;
    --window-blue-border: #214978;
    --window-blue-highlight: #d7e5f8;
    --text-main: #1f2937;
    --text-muted: #64748b;
    --text-inverse: #f8fafc;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --footer-bg: #1e293b;
}

html,
body {
    height: 100%;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-app);
    color: var(--text-main);
    line-height: 1.6;
    overflow: hidden;
}

#app {
    height: 100vh;
    overflow: hidden;
}

.app-shell {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

main {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    overscroll-behavior: contain;
}

.window-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1.25rem;
    background: linear-gradient(180deg, var(--window-blue) 0%, #0d2643 100%);
    border-bottom: 1px solid var(--window-blue-border);
    color: var(--text-inverse);
    box-shadow: 0 10px 24px rgb(18 50 91 / 0.24);
    position: sticky;
    top: 0;
    z-index: 30;
    flex-shrink: 0;
}

.window-titlebar-brand {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.window-titlebar-kicker {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgb(215 229 248 / 0.78);
}

.window-titlebar-title {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-inverse);
}

.window-titlebar-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.window-control-btn {
    min-width: 2.5rem;
    padding: 0.45rem 0.7rem;
    border-radius: 6px;
    border: 1px solid rgb(215 229 248 / 0.22);
    background: rgb(255 255 255 / 0.08);
    color: var(--window-blue-highlight);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.window-control-btn:hover {
    background: rgb(255 255 255 / 0.08);
    box-shadow: none;
    transform: none;
}

.window-control-btn:disabled {
    opacity: 0.55;
}

.window-control-btn.is-close {
    cursor: pointer;
    opacity: 1;
    border-color: rgb(255 255 255 / 0.24);
}

.window-control-btn.is-close:hover {
    background: rgb(255 255 255 / 0.18);
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

/* Navbar */
.navbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.navbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 1rem 2rem;
    box-sizing: border-box;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-hover);
    letter-spacing: -0.025em;
}

.navbar-profile {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.profile-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.125rem;
}

.profile-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 500;
}

.profile-id {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    font-family: 'Consolas', 'Monaco', monospace;
}

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

/* Cards */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    text-align: center;

    h2 {
        margin-top: 0;
        font-size: 1.8rem;
        color: var(--primary-hover);
    }
}

/* Buttons */
button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    font-family: inherit;
    transition: all 0.2s ease;

    &:hover {
        background: var(--primary-hover);
        transform: translateY(-1px);
        box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    }

    &+& {
        margin-left: 1rem;
    }
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: left;

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

    input,
    select {
        width: 100%;
        padding: 0.75rem;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        background: var(--bg-app);
        color: var(--text-main);
        font-family: inherit;
        font-size: 1rem;
        box-sizing: border-box;
        transition: border-color 0.2s;

        &:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
        }
    }

    .form-actions {
        margin-top: 1rem;
        display: flex;
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

/* Deposit/Withdraw Form */
.balance-info {
    display: flex;
    justify-content: space-around;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-surface-hover);
    border-radius: var(--radius);
}

.balance-info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.balance-info-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 500;
}

.balance-info-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-hover);

    &.cash {
        color: #fbbf24;
    }
}

.deposit-withdraw-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;

    input {
        text-align: center;
        font-size: 1.25rem;
        padding: 1rem;
    }
}

.deposit-withdraw-buttons {
    display: flex;
    gap: 0.75rem;

    button {
        flex: 1;

        &:disabled {
            opacity: 0.5;
            cursor: not-allowed;

            &:hover {
                background: var(--primary);
                transform: none;
                box-shadow: none;
            }
        }
    }
}

.deposit-earnings-button {
    display: flex;
    gap: 0.75rem;
    width: 50%;
    margin: 0 auto;

    button {
        flex: 1;

        &:disabled {
            opacity: 0.5;
            cursor: not-allowed;

            &:hover {
                background: var(--primary);
                transform: none;
                box-shadow: none;
            }
        }
    }
}

/* Footer */
.footer {
    margin-top: auto;
    background: var(--footer-bg);
    color: var(--text-inverse);
    display: block;

    .wrapper {
        max-width: 1200px;
        width: 100%;
        margin: 0 auto;
        padding: 3rem 2rem;
        box-sizing: border-box;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    h3 {
        color: var(--text-inverse);
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-weight: 700;
        margin-bottom: 1.5rem;
        border-bottom: 1px solid #475569;
        padding-bottom: 0.5rem;
        margin-right: 1rem;
    }

    ul {
        li {
            color: #cbd5e1;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            cursor: pointer;
            transition: color 0.2s;

            &:hover {
                color: white;
            }
        }
    }
}

@media (max-width: 720px) {
    .window-titlebar {
        flex-direction: column;
        align-items: flex-start;
    }

    .window-titlebar-controls {
        width: 100%;
        justify-content: flex-end;
    }
}