/* =====================================================
   M/S SURUJ HARDWARE – EXTRA COLORFUL THEME
   Professional • Modern • Business Ready
   ===================================================== */

/* ---------- RESET ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ---------- BODY ---------- */
body {
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    background: linear-gradient(180deg, #e0f2f1, #fdfefe);
    color: #263238;
    line-height: 1.6;
}

/* ---------- WELCOME SCROLL ---------- */
.welcome-bar {
    background: linear-gradient(90deg, #ff6f00, #ff8f00, #ffab00);
    color: #ffffff;
    overflow: hidden;
    white-space: nowrap;
    padding: 10px 0;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.welcome-text {
    display: inline-block;
    padding-left: 100%;
    animation: welcomeScroll 18s linear infinite;
}

@keyframes welcomeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* ---------- NAVIGATION ---------- */
.main-nav {
    background: linear-gradient(90deg, #0d47a1, #1565c0, #1976d2);
    padding: 14px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #ffffff;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #e3f2fd;
    text-decoration: none;
    font-weight: 600;
}

.nav-links a:hover {
    color: #ffeb3b;
}

/* ---------- SECTIONS ---------- */
.section {
    padding: 40px 22px;
}

/* Blue tone */
.section-primary {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
}

/* Green tone */
.section-secondary {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
}

/* Orange tone */
.section-accent {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}

/* Light neutral */
.section-light {
    background: linear-gradient(180deg, #ffffff, #f7f9fb);
}

/* ---------- HEADINGS ---------- */
h1 {
    font-size: 34px;
    margin-bottom: 15px;
    color: #0d47a1;
}

h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #1b5e20;
}

h3 {
    margin-bottom: 12px;
    color: #e65100;
}

/* ---------- PRODUCT LIST ---------- */
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 18px;
}

.product-box {
    background: linear-gradient(180deg, #ffffff, #fefefe);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    font-weight: 700;
    color: #37474f;
    border-top: 6px solid #ff9800;
    box-shadow: 0 6px 14px rgba(0,0,0,0.12);
    transition: transform 0.2s ease;
}

.product-box:hover {
    transform: translateY(-4px);
}

/* ---------- LOGIN PAGE ---------- */
.login-box {
    max-width: 420px;
    margin: 40px auto;
    background: linear-gradient(180deg, #ffffff, #f1f8ff);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(0,0,0,0.18);
}

.login-box input {
    width: 100%;
    padding: 12px;
    margin-top: 12px;
    border-radius: 6px;
    border: 1px solid #b0bec5;
}

.login-note {
    margin-top: 10px;
    font-size: 14px;
    color: #546e7a;
}

/* ---------- INVOICE / DASHBOARD ---------- */
.invoice-box {
    max-width: 900px;
    margin: auto;
    background: linear-gradient(180deg, #ffffff, #f9fbff);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.2);
}

.invoice-box hr {
    margin: 18px 0;
    border: none;
    border-top: 2px dashed #b0bec5;
}

/* ---------- INPUTS ---------- */
input, textarea, select {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    border-radius: 6px;
    border: 1px solid #b0bec5;
    font-size: 15px;
}

/* ---------- BILL TABLE ---------- */
.bill-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 18px;
}

.bill-table th {
    background: linear-gradient(90deg, #1976d2, #2196f3);
    color: #ffffff;
    padding: 10px;
}

.bill-table td {
    padding: 8px;
    border: 1px solid #cfd8dc;
    text-align: center;
}

/* ---------- SUMMARY ---------- */
.invoice-summary {
    margin-top: 18px;
    padding: 18px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-left: 6px solid #1976d2;
    border-radius: 6px;
}

/* ---------- BUTTONS ---------- */
button {
    background: linear-gradient(90deg, #2e7d32, #43a047);
    color: #ffffff;
    border: none;
    padding: 12px 18px;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background: linear-gradient(90deg, #1b5e20, #2e7d32);
}

/* ---------- PANEL ACTIONS ---------- */
.panel-actions {
    margin-top: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ---------- WHATSAPP FLOAT ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(180deg, #25d366, #1ebe5d);
    color: #ffffff;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    line-height: 58px;
    text-decoration: none;
    box-shadow: 0 6px 14px rgba(0,0,0,0.35);
}

/* ---------- FOOTER ---------- */
.main-footer {
    background: linear-gradient(90deg, #263238, #37474f);
    color: #ffffff;
    text-align: center;
    padding: 14px;
    font-size: 14px;
}

/* ---------- UTIL ---------- */
.hidden {
    display: none;
}

/* ---------- MOBILE ---------- */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 12px;
    }

    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
}