.profile-header {
    margin-top: 0.5rem;
    margin-bottom: 1.2rem;
}
.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #f3f6fb;
    box-shadow: 0 2px 8px rgba(37,99,235,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}
.profile-img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}
.profile-greeting {
    font-size: 1.18rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.2rem;
}
.profile-title {
    font-size: 1.08rem;
    color: #222;
    font-weight: 500;
    margin-bottom: 0.2rem;
}
.profile-card {
    border-radius: 1.2rem;
    box-shadow: 0 2px 12px rgba(37,99,235,0.07);
    padding: 1.2rem 1.1rem 1.1rem 1.1rem;
    border: none;
}
.profile-input {
    border-radius: 0.7rem;
    font-size: 1.05rem;
    padding: 0.6rem 0.9rem;
}
.profile-btn {
    border-radius: 0.9rem;
    font-size: 1.07rem;
    font-weight: 700;
    padding: 0.7rem 0;
    box-shadow: 0 1px 4px rgba(37,99,235,0.07);
}
.profile-history-title {
    font-size: 1.08rem;
    font-weight: 600;
    color: #2563eb;
}
.profile-history-filter {
    border-radius: 0.7rem;
    font-size: 0.98rem;
    font-weight: 500;
}
.profile-history-list {
    margin-top: 0.2rem;
}
.profile-history-list .list-group-item {
    font-size: 1.01rem;
    border-radius: 0.7rem;
    margin-bottom: 0.5rem;
    transition: background 0.2s;
    border: 1.5px solid #e3e8ef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 1rem;
}
.profile-history-list .list-group-item:hover {
    background: #f3f6fb;
}
.app-header {
    border-radius: 1.2rem 1.2rem 0 0;
    box-shadow: 0 2px 8px rgba(37,99,235,0.04);
    margin-bottom: 0.5rem;
}
.app-title {
    font-size: 1.35rem;
    letter-spacing: 1px;
    color: #2563eb;
    font-family: 'Poppins', Arial, sans-serif;
}
.app-divider {
    border: none;
    border-top: 1.5px solid #e3e8ef;
    margin: 0.5rem 0 0.2rem 0;
}
.section-title {
    color: #2563eb;
    font-size: 1.18rem;
    letter-spacing: 0.5px;
    font-family: 'Poppins', Arial, sans-serif;
    margin-bottom: 0.7rem;
}
.coupon-list {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    width: 100%;
    align-items: center;
    padding: 0.7rem 0 2.2rem 0;
}
.coupon-card {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 390px;
    min-height: 120px;
    border-radius: 1.5rem;
    box-shadow: 0 4px 18px rgba(37,99,235,0.10);
    overflow: hidden;
    position: relative;
    transition: box-shadow 0.2s, transform 0.15s;
    padding: 1rem 1.1rem 1rem 1rem;
}
.coupon-card.coupon-blue {
    background: #42A5F5;
}
.coupon-card.coupon-orange {
    background: #ffb74d;
}
.coupon-card.coupon-pink {
    background: #f06292;
}
.coupon-card.coupon-green {
    background: #81c784;
}
.coupon-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-right: 1.1rem;
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    flex-shrink: 0;
}
.coupon-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.45rem;
    color: #222;
    padding-right: 0.5rem;
}
.coupon-title {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 0.1rem;
    color: #fff;
    text-shadow: 0 1px 4px rgba(0,0,0,0.10);
    letter-spacing: 0.5px;
}
.coupon-desc {
    font-size: 1.04rem;
    color: #fff;
    opacity: 0.99;
    text-shadow: 0 1px 4px rgba(0,0,0,0.10);
    font-weight: 500;
}
.coupon-points {
    font-size: 1.07rem;
    font-weight: 700;
    color: #2563eb;
    background: #fff;
    border-radius: 0.7rem;
    padding: 5px 18px;
    display: inline-block;
    margin-top: 0.3rem;
    margin-bottom: 0.3rem;
    box-shadow: 0 1px 4px rgba(37,99,235,0.07);
}
.btn-coupon-redeem {
    background: #fff;
    color: #2563eb;
    border: none;
    border-radius: 0.9rem;
    font-weight: 700;
    font-size: 1.07rem;
    padding: 0.6rem 1.5rem;
    box-shadow: 0 1px 4px rgba(37,99,235,0.10);
    margin-top: 0.3rem;
    align-self: flex-start;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.btn-coupon-redeem:hover, .btn-coupon-redeem:focus {
    background: #e3f2fd;
    color: #174ea6;
    box-shadow: 0 2px 8px rgba(37,99,235,0.13);
}
.rewards-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    width: 100%;
    padding: 0 0.5rem;
}
body {
    background: #f8f9fa;
    min-height: 100vh;
    font-family: 'Poppins', Arial, sans-serif;
    scroll-behavior: smooth;
}
.bg-light-gradient {
    background: linear-gradient(120deg, #e3f2fd 0%, #f8f9fa 100%);
}
.btn-accent {
    background: #2563eb;
    color: #fff;
    border: none;
    transition: box-shadow 0.2s, background 0.2s;
}
.btn-accent:hover, .btn-accent:focus {
    background: #174ea6;
    box-shadow: 0 2px 8px rgba(37,99,235,0.15);
}
.btn-flat-accent {
    background: #f3f6fb;
    color: #2563eb;
    border: 1.5px solid #e3e8ef;
    font-weight: 500;
    box-shadow: none;
    transition: background 0.2s, color 0.2s, border 0.2s;
}
.btn-flat-accent:hover, .btn-flat-accent:focus {
    background: #e3f2fd;
    color: #174ea6;
    border-color: #2563eb;
}
.btn-outline-accent {
    border: 2px solid #42A5F5;
    color: #42A5F5;
    background: #fff;
    transition: box-shadow 0.2s, background 0.2s;
}
.btn-outline-accent:hover, .btn-outline-accent:focus {
    background: #e3f2fd;
    color: #1e88e5;
    box-shadow: 0 2px 8px rgba(66,165,245,0.10);
}
.quick-action {
    min-height: 80px;
    font-size: 1rem;
    border-radius: 1.5rem;
    box-shadow: none;
    transition: transform 0.15s, box-shadow 0.15s;
}
.quick-action:active {
    transform: scale(0.98);
    box-shadow: 0 1px 4px rgba(37,99,235,0.07);
}
/* Card base style */
/* Card base style */
/* Reward Card Design */
.card.reward-card {
    border-radius: 1.5rem;
    box-shadow: 0 4px 24px rgba(37,99,235,0.08);
    border: none;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(6px);
    transition: box-shadow 0.2s, transform 0.15s;
    padding: 2.2rem 1.2rem 1.2rem 1.2rem;
    position: relative;
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
}
.card:hover, .card:active {
    box-shadow: 0 8px 32px rgba(37,99,235,0.13);
    transform: translateY(-2px) scale(1.02);
}
.reward-card-img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    border-radius: 1rem;
    background: #f3f6fb;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    border: 2px solid #fff;
}
.reward-title {
    font-size: 1.12rem;
    font-weight: 600;
    color: #222;
    margin-top: 2.5rem;
    margin-bottom: 0.25rem;
    text-align: center;
    letter-spacing: 0.5px;
}
.reward-points {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 0.75rem;
    margin-top: 0.25rem;
}
.reward-points.affordable {
    color: #2563eb;
    background: #e3f2fd;
    border-radius: 0.5rem;
    padding: 3px 12px;
    display: inline-block;
    font-size: 0.98rem;
}
.reward-points.unaffordable {
    color: #aaa;
    background: #f3f6fb;
    border-radius: 0.5rem;
    padding: 3px 12px;
    display: inline-block;
    font-size: 0.98rem;
}
.btn-redeem {
    background: linear-gradient(90deg,#2563eb 0%,#42A5F5 100%);
    color: #fff;
    border: none;
    border-radius: 1rem;
    font-weight: 600;
    width: 100%;
    margin-top: 0.5rem;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    padding: 0.75rem 0;
}
.btn-redeem:hover, .btn-redeem:focus {
    background: linear-gradient(90deg,#174ea6 0%,#2563eb 100%);
    box-shadow: 0 4px 16px rgba(37,99,235,0.18);
    transform: scale(1.03);
}
.nav-btn {
    background: none;
    border: none;
    color: #2563eb;
    font-weight: 500;
    text-align: center;
    border-radius: 1rem;
    transition: background 0.2s, color 0.2s;
}
.nav-btn:focus, .nav-btn:active {
    outline: none;
    color: #174ea6;
    background: #f3f6fb;
}
.navbar.fixed-bottom {
    box-shadow: 0 -2px 8px rgba(66,165,245,0.04);
}
.list-group-item {
    font-size: 0.98rem;
    border-radius: 0.75rem;
    margin-bottom: 0.5rem;
    transition: background 0.2s;
    border: 1.5px solid #e3e8ef;
}
.list-group-item:hover {
    background: #f3f6fb;
}
.min-w-200 {
    min-width: 200px;
}
section {
    display: none;
}
section.active {
    display: block;
    animation: fadeIn 0.7s;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
footer {
    letter-spacing: 1px;
}