body {
    margin: 0;
    background: #f4f4f9;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* NAVBAR */
.navbar {
    background: #ffffff;
    padding: 16px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 999;
}

.bottom-nav {
    line-height: 1.6;
}

.logo {
    font-size: 21px;
    font-weight: bold;
    letter-spacing: 0.3px;
}

/* BUTTONS */
.actions button {
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #333;
    background: #fafafa;
    cursor: pointer;
    transition: 0.2s;
    font-size: 10px;
}

.actions button:hover {
    background: #eaeaea;
    transform: translateY(-1px);
}

/* CONTAINER */
.container {
    max-width: 950px;
    margin: 35px auto;
    padding: 0 18px;
}

/* CARD */
.card {
    background: #ffffff;
    padding: 22px;
    border-radius: 14px;
    margin-bottom: 28px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    transition: 0.25s;
}

.card:hover {
    box-shadow: 0 5px 18px rgba(0,0,0,0.12);
}

/* PROFILE HEADER */
.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
}

#profile-pic {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(#ddd, #ccc);
    object-fit: cover;
    border: 3px solid #e5e5e5;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

/* STATS */
.stats-box {
    display: flex;
    gap: 10px;
    margin-top: 9px;
}

.stat {
    background: #f4f7fb;
    padding: 10px;
    border-radius: 10px;
    text-align: center;
    min-width: 80px;
    box-shadow: inset 0 0 6px rgba(0,0,0,0.04);
}

.stat h3 {
    margin: 0;
    font-size: 20px;
    color: #1a73e8;
}

/* BADGES */
.badge {
    display: inline-block;
    padding: 7px 12px;
    background: #e2efff;
    color: #1a73e8;
    border-radius: 8px;
    font-size: 13px;
    margin: 0 6px 6px 0;
    border: 1px solid #cfe3ff;
    transition: 0.2s;
}

.badge:hover {
    background: #d4e7ff;
    cursor: default;
}

/* SECTION TITLES */
.section-title {
    font-size: 18px;
    margin-bottom: 14px;
    border-left: 5px solid #1a73e8;
    padding-left: 10px;
    font-weight: 600;
}

/* LISTS */
ul {
    padding-left: 20px;
    margin: 0;
}

li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    line-height: 1.5;
}

li:last-child {
    border-bottom: none;
}

/* TITLES INSIDE LIST */
.example-title {
    font-size: 15px;
    font-weight: bold;
    color: #333;
}

/* PROGRESS BAR */
.progress-bar {
    width: 100%;
    background: #e5e5e5;
    border-radius: 12px;
    height: 12px;
    margin-top: 6px;
}

.progress-fill {
    height: 12px;
    background: linear-gradient(90deg, #1a73e8, #4a9eff);
    border-radius: 12px;
    transition: width 0.4s ease;
}

/* SETTINGS */
.settings-links a {
    display: block;
    padding: 8px 0;
    text-decoration: none;
    color: #1a73e8;
    font-size: 14.5px;
    transition: 0.2s;
}

.settings-links a:hover {
    color: #0b57d0;
    padding-left: 4px;
}

.popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* ==== Loader ==== */

.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0000ff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}