/* Navigation Bar Styles - extracted from base.html */
.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-brand {
    color: #FF9800;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-brand:hover .wordmark {
    color: #FFD54F;
}

/* Goal 62/85: hamburger — hidden on desktop, the only menu control on mobile */
.nav-hamburger {
    display: none;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    min-width: 44px;
    min-height: 40px;
}

/* Goal 69: Chrono-Coin balance chip */
.nav-coins {
    background: rgba(255, 213, 79, 0.25);
    color: #FFEB99;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background 0.3s;
    font-size: 14px;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.nav-streak {
    background: rgba(255, 152, 0, 0.3);
    color: #FFD54F;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 4px;
    animation: streak-glow 2s ease-in-out infinite;
}

@keyframes streak-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(255, 152, 0, 0.3); }
    50% { box-shadow: 0 0 15px rgba(255, 152, 0, 0.6); }
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #FF9800;
}

.nav-avatar-emoji {
    font-size: 24px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-username {
    font-size: 14px;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Add padding to body to account for fixed nav */
body {
    padding-top: 70px;
}

/* Chromebook / small laptop */
@media (max-width: 1366px) {
    .nav-bar { padding: 12px 20px; }
    .nav-links { gap: 10px; }
}

/* Tablet / mobile — Goal 62/85: links collapse behind the hamburger instead of
   cramming 7+ tiny targets into one row */
@media (max-width: 768px) {
    .nav-bar {
        padding: 10px 15px;
    }

    .wordmark { font-size: 18px; }

    .nav-username {
        display: none;
    }

    .nav-hamburger { display: block; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(10px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
        padding: 6px 0 10px;
    }

    .nav-links.open { display: flex; }

    .nav-link {
        padding: 14px 22px;
        font-size: 16px;
        border-radius: 0;
    }

    .nav-right {
        gap: 8px;
    }

    .nav-streak, .nav-coins {
        font-size: 13px;
        padding: 3px 8px;
    }

    body {
        padding-top: 60px;
    }
}

/* Small phone */
@media (max-width: 480px) {
    .nav-bar {
        padding: 8px 10px;
    }

    .wordmark { font-size: 16px; }

    .nav-left { gap: 8px; }
    .nav-right { gap: 6px; }

    .theme-toggle {
        padding: 6px 8px;
        font-size: 16px;
    }

    .nav-streak, .nav-coins {
        font-size: 12px;
        padding: 2px 6px;
    }

    .nav-avatar, .nav-avatar-emoji {
        width: 28px;
        height: 28px;
    }

    .nav-avatar-emoji {
        font-size: 20px;
    }
}