/*
    File Name & Purpose: style.css - Styles for presentation.php, index.php, and edit.php
    Course Name: CSC235 Server-Side Development
    Project Name: prjProcess (App: SteadySavings(TM))
    Author: Kayla Marcus
    Email: marcusk@csp.edu
    Written: 2025-11-19
    Revised: 2025-11-22 | Added additional styles for index.php and edit.php
*/

/* Root color palette: modern grocery-store blue */
:root {
    --blue-primary: #0957b1;
    --blue-light: #e6f0fb;
    --text-dark: #1f1f1f;
    --text-muted: #2d3f6d;
    --card-bg: #ffffff;
    --border: #d9e3f2;
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

/* Basic layout */
body {
    margin: 0;
    font-family: "Inter", Arial, Helvetica, sans-serif;
    background: #f4f7fb;
    color: var(--text-dark);
    line-height: 1.55;
}

/* Header */
.header {
    background: var(--blue-light);
    padding: 28px;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.header h1 {
    margin: 0 0 8px;
    font-size: 2.2rem;
    color: var(--blue-primary);
}


.header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 1rem;
}

/* Navigation */
.nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.nav ul {
    list-style: none;
    margin: 0;
    padding: 0 20px;
    display: flex;
    gap: 24px;
    height: 56px;
    align-items: center;
    max-width: 820px;
    margin: 0 auto;
}

.nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 500;
    padding: 6px 0;
    transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus {
    color: var(--blue-primary);
}


/* Main content */
.content {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 16px;
}

/* Cards */
.qa-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 0 auto 20px;
    box-shadow: var(--shadow);
    max-width: 820px;
}

.qa-card h2 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--blue-primary);
}

/* Question text */
.question {
    margin: 10px 0 14px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1.1rem;
}

/* Answer label */
h3 {
    margin: 14px 0 6px;
    font-size: 1rem;
    color: var(--blue-primary);
    font-weight: 600;
}

/* Answer text */
.answer {
    margin: 0;
    font-size: 1rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px;
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 820px;
    margin: 0 auto;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    max-width: 1200px;
    border-collapse: collapse;
    margin: 12px auto 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.data-table th {
    background: var(--blue-light);
    color: var(--blue-primary);
    padding: 12px;
    font-weight: 600;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 24px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}

.data-table tr:nth-child(even) {
    background: #f9fbfe;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Mobile responsive */
@media (max-width: 720px) {

    .data-table,
    .data-table thead,
    .data-table tbody,
    .data-table th,
    .data-table td,
    .data-table tr {
        display: block;
    }

    .data-table thead {
        display: none;
    }

    .data-table tr {
        margin-bottom: 16px;
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: 12px;
        background: var(--card-bg);
        box-shadow: var(--shadow);
    }

    .data-table td {
        border: none;
        padding: 8px 0;
    }

    .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--blue-primary);
        display: block;
        margin-bottom: 4px;
    }
}

.approach {
    max-width: 820px;
    margin: 4rem auto 0;
}

.wireframe {
    max-width: 820px;
    margin: 4rem auto 0;
}

.wireframe img {
    width: 100%;
}

/* Coupon Card */
.coupon-card {
    display: grid;
    grid-template-columns: 60px 1fr 10px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 820px;
}

/* Left vertical band */
.coupon-band {
    background: var(--blue-light);
    color: var(--blue-primary);
    font-weight: 700;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    text-align: center;
    padding: 8px 16px 0 10px;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

/* Main info area */
.coupon-info {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.coupon-id {
    display: flex;
    flex-direction: column;
    gap: 0px;
}

.coupon-title {
    margin: 0;
    font-size: 1.4rem;
    color: var(--text-dark);
    font-weight: 700;
}

.coupon-sku {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Prices */
.coupon-prices {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
}

.price-current {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--blue-primary);
    line-height: 120%;
}

.price-regular {
    text-decoration: line-through;
    color: var(--text-muted);
    font-weight: 600;
}

.price-save {
    margin-left: auto;
    font-weight: 700;
    color: #127912;
}

/* Divider */
.coupon-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 4px 0;
}

/* Availability */
.coupon-availability {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive — hide image on small screens */
@media (max-width: 620px) {
    .coupon-card {
        grid-template-columns: 50px 1fr;
    }
}

/* Coupon grid layout */
.coupon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* Stack to one card per row on mobile */
@media (max-width: 720px) {
    .coupon-grid {
        grid-template-columns: 1fr;
    }
}

/* ----------------------------- */
/*        FORM ELEMENTS          */
/* ----------------------------- */

.input-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px 24px;
    margin: 0 auto 64px;
    box-shadow: var(--shadow);
    max-width: 1200px;
}

.input-card.relative {
    position: relative;
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #fff;
    color: #333;
    transition: border 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

/* Hover + Focus (soft, accessible highlight) */
input[type="text"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
select:focus {
    border-color: #7ab6ff;
    box-shadow: 0 0 0 3px rgba(122, 182, 255, 0.25);
    outline: none;
}

/* Disabled (optional) */
input:disabled,
select:disabled {
    background-color: #f2f2f2;
    color: #999;
}

/* Make number inputs smaller */
.data-table input[type="number"] {
    width: 104px;
    min-width: 70px;
}

/* Make number inputs smaller */
.data-table input[type="date"] {
    width: 160px;
    min-width: 70px;
}

/* Make SKU + Product Name fill space */
.data-table td:nth-child(1) input,
.data-table td:nth-child(2) input,
select {
    width: 100%;
    box-sizing: border-box;
}

/* ----------------------------- */
/*            BUTTONS            */
/* ----------------------------- */

.btn {
    padding: 10px 18px;
    background-color: #2f7df4;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}

.btn.destructive {
    padding: 10px 18px;
    background-color: #c70e0e;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s ease, box-shadow 0.2s ease;
    margin-top: 16px;
    position: absolute;
    bottom: 20px;
    right: 24px;
}

/* Hover */
.btn:hover {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Active (pressed) */
.btn:active {
    transform: translateY(1px);
}

/* Spacing helper */
.btn+.btn {
    margin-left: 10px;
}

button,
.btn {
    position: relative;
    overflow: hidden; /* keeps overlay inside button */
}

/* The overlay (initially invisible) */
button::after,
.btn::after {
    content: "";
    position: absolute;
    inset: 0; 
    background: rgba(6, 56, 192, 0.15);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none; 
}

/* Hover effect (overlay fades in) */
button:hover::after,
.btn:hover::after {
    opacity: 1;
}

/* Messages */
.success-message {
    background-color: rgb(209, 241, 209);
    color:#034e03;
    padding: 12px 8px;
    width: 100%;
}

.error-message {
    background-color: rgb(241, 209, 213);
    color:#880711;
    padding: 12px 8px;
    width: 100%;
}