/* =========================
   CARD BASE
========================= */
.dashboard-card {
    border-radius: 16px;
    padding: 16px 20px;
    background: linear-gradient(145deg, #caced8, #ffffff);
    box-shadow: 6px 6px 12px rgba(0,0,0,0.08), -6px -6px 12px rgba(255,255,255,0.9);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 0;
}

    /* Hover lift */
    .dashboard-card:hover {
        transform: translateY(-4px);
        box-shadow: 8px 8px 18px rgba(0,0,0,0.12);
        color: #fff;
    }

    /* =========================
   HOVER GRADIENT FILL
========================= */
    .dashboard-card::before {
        content: "";
        position: absolute;
        inset: 0;
        background: var(--card-gradient);
        transform: scaleY(0);
        transform-origin: bottom;
        transition: transform 0.8s ease;
        z-index: -1;
    }

    /* Animate fill */
    .dashboard-card:hover::before {
        transform: scaleX(1);
    }

    /* Ensure content above overlay */
    .dashboard-card > * {
        position: relative;
        z-index: 1;
    }

/* =========================
   CARD CONTENT
========================= */
.card-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.icon-box {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: rgba(255,255,255,0.6);
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.05), inset -2px -2px 5px rgba(255,255,255,0.8);
}

.text-content .title {
    font-size: 14px;
    color: #666;
    transition: color 0.3s ease;
}

.text-content .value {
    font-size: 22px;
    font-weight: bold;
    color: #222;
    transition: color 0.3s ease;
}

/* Text turns white on hover */
.dashboard-card:hover .title,
.dashboard-card:hover .value {
    color: #fff;
}

/* =========================
   BOTTOM BAR
========================= */
.bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 6px;
    width: 100%;
    border-radius: 0 0 16px 16px;
}

/* =========================
   COLOR VARIANTS
   (FIXED: variable on parent)
========================= */

/* Core */
.card-blue {
    --card-gradient: linear-gradient(to right, #4facfe, #00f2fe);
}

.card-purple {
    --card-gradient: linear-gradient(to right, #667eea, #764ba2);
}

.card-green {
    --card-gradient: linear-gradient(to right, #43e97b, #38f9d7);
}

.card-teal {
    --card-gradient: linear-gradient(to right, #00c6ff, #0072ff);
}

/* Extended */
.card-orange {
    --card-gradient: linear-gradient(to right, #f7971e, #ffd200);
}

.card-red {
    --card-gradient: linear-gradient(to right, #ff416c, #ff4b2b);
}

.card-pink {
    --card-gradient: linear-gradient(to right, #ff9a9e, #fad0c4);
}

.card-indigo {
    --card-gradient: linear-gradient(to right, #5f2c82, #49a09d);
}

.card-yellow {
    --card-gradient: linear-gradient(to right, #fceabb, #f8b500);
}

.card-cyan {
    --card-gradient: linear-gradient(to right, #36d1dc, #5b86e5);
}

.card-lime {
    --card-gradient: linear-gradient(to right, #a8e063, #56ab2f);
}

.card-deep-purple {
    --card-gradient: linear-gradient(to right, #41295a, #2f0743);
}

.card-rose {
    --card-gradient: linear-gradient(to right, #ff758c, #ff7eb3);
}

.card-sunset {
    --card-gradient: linear-gradient(to right, #ff7e5f, #feb47b);
}

.card-ocean {
    --card-gradient: linear-gradient(to right, #2193b0, #6dd5ed);
}

.card-fire {
    --card-gradient: linear-gradient(to right, #f12711, #f5af19);
}

/* 30 variants */
.card-amber {
    --card-gradient: linear-gradient(to right, #ffb347, #ffcc33);
}

.card-mint {
    --card-gradient: linear-gradient(to right, #76ffd1, #00d2ff);
}

.card-lavender {
    --card-gradient: linear-gradient(to right, #b993d6, #8ca6db);
}

.card-peach {
    --card-gradient: linear-gradient(to right, #ffecd2, #fcb69f);
}

.card-aqua {
    --card-gradient: linear-gradient(to right, #13547a, #80d0c7);
}

.card-grape {
    --card-gradient: linear-gradient(to right, #42275a, #734b6d);
}

.card-forest {
    --card-gradient: linear-gradient(to right, #5a3f37, #2c7744);
}

.card-sky {
    --card-gradient: linear-gradient(to right, #2980b9, #6dd5fa);
}

.card-steel {
    --card-gradient: linear-gradient(to right, #485563, #29323c);
}

.card-silver {
    --card-gradient: linear-gradient(to right, #bdc3c7, #2c3e50);
}

.card-gold {
    --card-gradient: linear-gradient(to right, #f7971e, #ffd200);
}

.card-bronze {
    --card-gradient: linear-gradient(to right, #cd7f32, #a97142);
}

.card-ruby {
    --card-gradient: linear-gradient(to right, #e52d27, #b31217);
}

.card-emerald {
    --card-gradient: linear-gradient(to right, #348f50, #56b4d3);
}

.card-sapphire {
    --card-gradient: linear-gradient(to right, #0f2027, #2c5364);
}

.card-night {
    --card-gradient: linear-gradient(to right, #141e30, #243b55);
}

.card-ice {
    --card-gradient: linear-gradient(to right, #83a4d4, #b6fbff);
}

.card-sand {
    --card-gradient: linear-gradient(to right, #c2b280, #e0c097);
}

.card-coral {
    --card-gradient: linear-gradient(to right, #ff7f50, #ff9966);
}

.card-flamingo {
    --card-gradient: linear-gradient(to right, #fc466b, #3f5efb);
}

.card-plum {
    --card-gradient: linear-gradient(to right, #7b4397, #dc2430);
}

.card-berry {
    --card-gradient: linear-gradient(to right, #8e2de2, #4a00e0);
}

.card-lemon {
    --card-gradient: linear-gradient(to right, #f9d423, #ff4e50);
}

.card-olive {
    --card-gradient: linear-gradient(to right, #3d9970, #2ecc40);
}

.card-seaweed {
    --card-gradient: linear-gradient(to right, #1f4037, #99f2c8);
}

.card-denim {
    --card-gradient: linear-gradient(to right, #283c86, #45a247);
}

.card-charcoal {
    --card-gradient: linear-gradient(to right, #232526, #414345);
}

.card-blush {
    --card-gradient: linear-gradient(to right, #ff9a9e, #fecfef);
}

.card-honey {
    --card-gradient: linear-gradient(to right, #f7971e, #ffd200);
}

.card-turquoise {
    --card-gradient: linear-gradient(to right, #1abc9c, #16a085);
}

/* =========================
   BOTTOM BAR COLORS
========================= */

.card-blue .bottom-bar {
    background: linear-gradient(to right, #4facfe, #00f2fe);
}

.card-purple .bottom-bar {
    background: linear-gradient(to right, #667eea, #764ba2);
}

.card-green .bottom-bar {
    background: linear-gradient(to right, #43e97b, #38f9d7);
}

.card-teal .bottom-bar {
    background: linear-gradient(to right, #00c6ff, #0072ff);
}

.card-orange .bottom-bar {
    background: linear-gradient(to right, #f7971e, #ffd200);
}

.card-red .bottom-bar {
    background: linear-gradient(to right, #ff416c, #ff4b2b);
}

.card-pink .bottom-bar {
    background: linear-gradient(to right, #ff9a9e, #fad0c4);
}

.card-indigo .bottom-bar {
    background: linear-gradient(to right, #5f2c82, #49a09d);
}

.card-yellow .bottom-bar {
    background: linear-gradient(to right, #fceabb, #f8b500);
}

.card-cyan .bottom-bar {
    background: linear-gradient(to right, #36d1dc, #5b86e5);
}

.card-lime .bottom-bar {
    background: linear-gradient(to right, #a8e063, #56ab2f);
}

.card-deep-purple .bottom-bar {
    background: linear-gradient(to right, #41295a, #2f0743);
}

.card-rose .bottom-bar {
    background: linear-gradient(to right, #ff758c, #ff7eb3);
}

.card-sunset .bottom-bar {
    background: linear-gradient(to right, #ff7e5f, #feb47b);
}

.card-ocean .bottom-bar {
    background: linear-gradient(to right, #2193b0, #6dd5ed);
}

.card-fire .bottom-bar {
    background: linear-gradient(to right, #f12711, #f5af19);
}

/* 30 variants */
.card-amber .bottom-bar {
    background: linear-gradient(to right, #ffb347, #ffcc33);
}

.card-mint .bottom-bar {
    background: linear-gradient(to right, #76ffd1, #00d2ff);
}

.card-lavender .bottom-bar {
    background: linear-gradient(to right, #b993d6, #8ca6db);
}

.card-peach .bottom-bar {
    background: linear-gradient(to right, #ffecd2, #fcb69f);
}

.card-aqua .bottom-bar {
    background: linear-gradient(to right, #13547a, #80d0c7);
}

.card-grape {
    background: linear-gradient(to right, #42275a, #734b6d);
}

.card-forest .bottom-bar {
    background: linear-gradient(to right, #5a3f37, #2c7744);
}

.card-sky .bottom-bar {
    background: linear-gradient(to right, #2980b9, #6dd5fa);
}

.card-steel .bottom-bar {
    background: linear-gradient(to right, #485563, #29323c);
}

.card-silver .bottom-bar {
    background: linear-gradient(to right, #bdc3c7, #2c3e50);
}

.card-gold .bottom-bar {
    background: linear-gradient(to right, #f7971e, #ffd200);
}

.card-bronze .bottom-bar {
    background: linear-gradient(to right, #cd7f32, #a97142);
}

.card-ruby .bottom-bar {
    background: linear-gradient(to right, #e52d27, #b31217);
}

.card-emerald .bottom-bar {
    background: linear-gradient(to right, #348f50, #56b4d3);
}

.card-sapphire .bottom-bar {
    background: linear-gradient(to right, #0f2027, #2c5364);
}

.card-night .bottom-bar {
    background: linear-gradient(to right, #141e30, #243b55);
}

.card-ice .bottom-bar {
    background: linear-gradient(to right, #83a4d4, #b6fbff);
}

.card-sand .bottom-bar {
    background: linear-gradient(to right, #c2b280, #e0c097);
}

.card-coral .bottom-bar {
    background: linear-gradient(to right, #ff7f50, #ff9966);
}

.card-flamingo .bottom-bar {
    background: linear-gradient(to right, #fc466b, #3f5efb);
}

.card-plum .bottom-bar {
    background: linear-gradient(to right, #7b4397, #dc2430);
}

.card-berry .bottom-bar {
    background: linear-gradient(to right, #8e2de2, #4a00e0);
}

.card-lemon .bottom-bar {
    background: linear-gradient(to right, #f9d423, #ff4e50);
}

.card-olive .bottom-bar {
    background: linear-gradient(to right, #3d9970, #2ecc40);
}

.card-seaweed .bottom-bar {
    background: linear-gradient(to right, #1f4037, #99f2c8);
}

.card-denim .bottom-bar {
    background: linear-gradient(to right, #283c86, #45a247);
}

.card-charcoal .bottom-bar {
    background: linear-gradient(to right, #232526, #414345);
}

.card-blush .bottom-bar {
    background: linear-gradient(to right, #ff9a9e, #fecfef);
}

.card-honey .bottom-bar {
    background: linear-gradient(to right, #f7971e, #ffd200);
}

.card-turquoise .bottom-bar {
    background: linear-gradient(to right, #1abc9c, #16a085);
}


/* Trend line (overlay, no layout impact) */
.trend-line {
    position: absolute;
    bottom: 6px; /* sits above bottom bar */
    left: 120px;
    font-size: 13px;
    font-weight: 600;
    pointer-events: none;
    transition: color 0.3s ease;
    opacity: 0.85;
    letter-spacing: 0.3px;
}

/* Increase (green) */
.trend-up {
    color: #28a745;
}

/* Decrease (red) */
.trend-down {
    color: #dc3545;
}

.trend-up::before {
    content: "▲ ";
    font-size: 11px;
}

.trend-down::before {
    content: "▼ ";
    font-size: 11px;
}


/*chart*/

.usage-chart-card {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

    .usage-chart-card .header {
        display: flex;
        justify-content: space-between;
        margin-bottom: 10px;
        font-weight: 600;
    }

.filter-btn {
    border: none;
    padding: 6px 12px;
    border-radius: 8px;
    background: #f1f5f9;
}