/* =========================================
   SMART STOCK
   MAIN WEBSITE STYLES
   ========================================= */


/* =========================================
   GENERAL RESET
   ========================================= */

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


html {
    scroll-behavior: smooth;
}


body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f7f6;
    color: #1f2937;
    line-height: 1.6;
}


/* =========================================
   LINKS
   ========================================= */

a {
    color: #2563eb;
    text-decoration: none;
}


a:hover {
    text-decoration: underline;
}


/* =========================================
   MAIN NAVIGATION
   ========================================= */

nav {
    width: 100%;
    min-height: 75px;
    padding: 12px 6%;
    background-color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: space-between;

    border-bottom: 1px solid #e5e7eb;

    position: sticky;
    top: 0;
    z-index: 1000;
}


/* Logo */

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}


.logo-container img {
    width: 55px;
    height: 55px;
    object-fit: contain;
}


.logo-container h2 {
    color: #1f6f5b;
    font-size: 22px;
    white-space: nowrap;
}


/* Navigation links */

nav ul {
    display: flex;
    align-items: center;
    gap: 25px;
    list-style: none;
}


nav ul li a {
    color: #374151;
    font-weight: 600;
    text-decoration: none;
}


nav ul li a:hover {
    color: #1f6f5b;
}


/* Get Started navigation button */

.btn-nav {
    background-color: #1f6f5b;
    color: #ffffff !important;
    padding: 10px 18px;
    border-radius: 6px;
}


.btn-nav:hover {
    background-color: #175443;
    text-decoration: none;
}


/* Hamburger */

.hamburger {
    display: none;
    font-size: 30px;
    cursor: pointer;
    color: #1f6f5b;
}


/* =========================================
   HERO
   ========================================= */

header {
    text-align: center;
    padding: 90px 20px;
    background-color: #eaf5f1;
}


header h1 {
    max-width: 800px;
    margin: 0 auto 20px;
    color: #174f42;
    font-size: 48px;
    line-height: 1.2;
}


header p {
    max-width: 700px;
    margin: 0 auto 30px;
    color: #4b5563;
    font-size: 18px;
}


/* Hero buttons */

header button,
header a button {
    border: none;
    padding: 13px 24px;
    margin: 5px;
    border-radius: 6px;

    background-color: #1f6f5b;
    color: #ffffff;

    font-size: 16px;
    font-weight: 600;

    cursor: pointer;
}


header button:hover {
    background-color: #175443;
}


/* =========================================
   GENERAL SECTIONS
   ========================================= */

section {
    padding: 70px 8%;
}


section h2 {
    color: #174f42;
    font-size: 32px;
    margin-bottom: 15px;
}


section p {
    color: #5b6470;
}


/* =========================================
   PROBLEM SECTION
   ========================================= */

#problem {
    background-color: #ffffff;
}


#problem p {
    max-width: 850px;
    margin-bottom: 15px;
}


/* =========================================
   FEATURES
   ========================================= */

.features-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}


.feature-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;

    border: 1px solid #e5e7eb;

    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}


.feature-card h3 {
    color: #1f6f5b;
    margin-bottom: 10px;
}


/* =========================================
   DASHBOARD PREVIEW
   ========================================= */

#dashboard-preview {
    background-color: #f4f7f6;
}


.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}


.card {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 10px;

    border: 1px solid #e5e7eb;

    text-align: center;
}


.card h3 {
    color: #4b5563;
    font-size: 16px;
    margin-bottom: 10px;
}


.card p {
    color: #1f6f5b;
    font-size: 30px;
    font-weight: bold;
}


/* =========================================
   TABLES
   ========================================= */

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff;
    margin-top: 25px;
}


th,
td {
    padding: 14px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
}


th {
    background-color: #1f6f5b;
    color: #ffffff;
}


td {
    color: #374151;
}


tr:hover td {
    background-color: #f9fafb;
}


/* =========================================
   HOW IT WORKS
   ========================================= */

#how-it-works {
    background-color: #ffffff;
}


#how-it-works ol {
    max-width: 800px;
    margin-top: 25px;
    padding-left: 25px;
}


#how-it-works li {
    margin-bottom: 20px;
}


#how-it-works strong {
    color: #1f6f5b;
}


/* =========================================
   CALL TO ACTION
   ========================================= */

#call-to-action {
    text-align: center;
    background-color: #eaf5f1;
}


#call-to-action p {
    margin-bottom: 25px;
}


#call-to-action button {
    background-color: #1f6f5b;
    color: #ffffff;

    border: none;
    border-radius: 6px;

    padding: 13px 25px;

    font-size: 16px;
    font-weight: 600;

    cursor: pointer;
}


#call-to-action button:hover {
    background-color: #175443;
}


/* =========================================
   FOOTER
   ========================================= */

footer {
    background-color: #174f42;
    color: #ffffff;
    text-align: center;
    padding: 25px 15px;
}


footer p {
    color: #ffffff;
}


/* =========================================
   AUTH PAGES
   LOGIN / REGISTER
   ========================================= */

.auth-container {
    min-height: 100vh;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px 20px;

    background-color: #f4f7f6;
}


.auth-card {
    width: 100%;
    max-width: 450px;

    background-color: #ffffff;

    padding: 40px;

    border-radius: 12px;

    border: 1px solid #e5e7eb;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07);
}


.auth-card h1 {
    color: #174f42;
    margin-bottom: 10px;
}


.auth-card > p {
    color: #6b7280;
    margin-bottom: 25px;
}


.auth-card form {
    display: flex;
    flex-direction: column;
}


.auth-card label {
    margin-bottom: 6px;
    color: #374151;
    font-weight: 600;
}


.auth-card input {
    width: 100%;

    padding: 12px 14px;

    margin-bottom: 18px;

    border: 1px solid #d1d5db;
    border-radius: 6px;

    font-size: 15px;

    outline: none;
}


.auth-card input:focus {
    border-color: #1f6f5b;
}


.auth-card button {
    width: 100%;

    padding: 13px;

    border: none;
    border-radius: 6px;

    background-color: #1f6f5b;
    color: #ffffff;

    font-size: 16px;
    font-weight: 600;

    cursor: pointer;
}


.auth-card button:hover {
    background-color: #175443;
}


#message {
    margin-top: 15px;
    font-weight: 600;
}


/* =========================================
   DASHBOARD
   ========================================= */

.dashboard-container {
    min-height: 100vh;

    padding: 50px 20px;

    background-color: #f4f7f6;
}


.dashboard-card {
    width: 100%;
    max-width: 1200px;

    margin: 0 auto;

    background-color: #ffffff;

    padding: 40px;

    border-radius: 14px;

    border: 1px solid #e5e7eb;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}


/* Dashboard header */

.dashboard-header {
    padding-bottom: 30px;
    margin-bottom: 30px;

    border-bottom: 1px solid #e5e7eb;
}


.dashboard-label {
    color: #1f6f5b;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;

    margin-bottom: 5px;
}


.dashboard-header h1 {
    color: #174f42;
    font-size: 34px;
    margin-bottom: 5px;
}


.dashboard-header #welcomeMessage {
    color: #6b7280;
}


/* =========================================
   DASHBOARD SECTION HEADINGS
   ========================================= */

.section-heading {
    margin-bottom: 25px;
}


.section-heading h2 {
    color: #174f42;
    font-size: 25px;
    margin-bottom: 5px;
}


.section-heading p {
    color: #6b7280;
}


/* =========================================
   PRODUCT FORM
   ========================================= */

.product-section {
    background-color: #f8faf9;

    padding: 30px;

    border-radius: 10px;

    border: 1px solid #e5e7eb;

    margin-bottom: 40px;
}


.form-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;
}


.form-group {
    display: flex;
    flex-direction: column;
}


.form-group label {
    color: #374151;

    font-weight: 600;

    margin-bottom: 7px;
}


.form-group input {
    width: 100%;

    padding: 13px 14px;

    border: 1px solid #d1d5db;

    border-radius: 6px;

    background-color: #ffffff;

    color: #1f2937;

    font-size: 15px;

    outline: none;
}


.form-group input:focus {
    border-color: #1f6f5b;

    box-shadow: 0 0 0 3px rgba(31, 111, 91, 0.10);
}


.form-submit {
    margin-top: 25px;
}


.save-product-button {
    background-color: #1f6f5b;

    color: #ffffff;

    border: none;

    border-radius: 6px;

    padding: 13px 24px;

    font-size: 15px;

    font-weight: 600;

    cursor: pointer;
}


.save-product-button:hover {
    background-color: #175443;
}


#productMessage {
    margin-top: 15px;

    font-weight: 600;
}


/* =========================================
   PRODUCT LIST
   ========================================= */

.product-list-section {
    margin-bottom: 35px;
}


.product-table-container {
    width: 100%;

    overflow-x: auto;

    border: 1px solid #e5e7eb;

    border-radius: 8px;
}


.product-table-container table {
    margin-top: 0;

    min-width: 750px;
}


.product-table-container th {
    background-color: #1f6f5b;

    padding: 14px 16px;

    white-space: nowrap;
}


.product-table-container td {
    padding: 14px 16px;

    background-color: #ffffff;
}


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


.product-table-container tr:hover td {
    background-color: #f8faf9;
}


/* =========================================
   PRODUCT ACTION BUTTONS
   ========================================= */

.action-buttons {
    white-space: nowrap;
}


.edit-button,
.delete-button {
    border: none;

    border-radius: 5px;

    padding: 8px 12px;

    margin: 2px;

    font-size: 14px;

    cursor: pointer;
}


.edit-button {
    background-color: #2563eb;

    color: #ffffff;
}


.edit-button:hover {
    background-color: #1d4ed8;
}


.delete-button {
    background-color: #dc2626;

    color: #ffffff;
}


.delete-button:hover {
    background-color: #b91c1c;
}


/* =========================================
   DASHBOARD FOOTER
   ========================================= */

.dashboard-footer {
    padding-top: 25px;

    border-top: 1px solid #e5e7eb;
}


.logout-button {
    background-color: #374151;

    color: #ffffff;

    border: none;

    border-radius: 6px;

    padding: 11px 20px;

    font-size: 15px;

    font-weight: 600;

    cursor: pointer;
}


.logout-button:hover {
    background-color: #1f2937;
}


/* =========================================
   MOBILE RESPONSIVENESS
   ========================================= */

@media (max-width: 900px) {

    nav {
        padding: 12px 4%;
    }


    nav ul {
        gap: 15px;
    }


    .features-container {
        grid-template-columns: 1fr;
    }


    .dashboard-card {
        padding: 30px;
    }

}


@media (max-width: 768px) {

    /* Navigation */

    nav {
        position: relative;

        flex-wrap: wrap;
    }


    .hamburger {
        display: block;
    }


    nav ul {
        display: none;

        width: 100%;

        flex-direction: column;

        align-items: stretch;

        gap: 0;

        margin-top: 15px;
    }


    nav ul.active {
        display: flex;
    }


    nav ul li {
        width: 100%;
    }


    nav ul li a {
        display: block;

        padding: 12px 5px;
    }


    .btn-nav {
        text-align: center;
    }


    /* Hero */

    header {
        padding: 65px 20px;
    }


    header h1 {
        font-size: 36px;
    }


    header p {
        font-size: 16px;
    }


    /* General sections */

    section {
        padding: 55px 6%;
    }


    /* Dashboard preview */

    .dashboard-cards {
        grid-template-columns: 1fr;
    }


    /* Dashboard */

    .dashboard-container {
        padding: 25px 12px;
    }


    .dashboard-card {
        padding: 25px 18px;

        border-radius: 10px;
    }


    .dashboard-header h1 {
        font-size: 28px;
    }


    /* Product form */

    .product-section {
        padding: 22px 18px;
    }


    .form-grid {
        grid-template-columns: 1fr;

        gap: 16px;
    }


    .save-product-button {
        width: 100%;
    }


    /* Product table */

    .product-table-container {
        overflow-x: auto;
    }


    /* Authentication */

    .auth-card {
        padding: 30px 22px;
    }


    /* Action buttons */

    .edit-button,
    .delete-button {
        padding: 8px 10px;
    }

}


@media (max-width: 480px) {

    /* Logo */

    .logo-container img {
        width: 48px;
        height: 48px;
    }


    .logo-container h2 {
        font-size: 18px;
    }


    /* Hero */

    header h1 {
        font-size: 30px;
    }


    header a {
        display: block;
    }


    header button {
        width: 100%;
        max-width: 260px;
    }


    /* Sections */

    section h2 {
        font-size: 27px;
    }


    /* Dashboard */

    .dashboard-container {
        padding: 15px 8px;
    }


    .dashboard-card {
        padding: 20px 14px;
    }


    .dashboard-header h1 {
        font-size: 25px;
    }


    .product-section {
        padding: 20px 14px;
    }


    .section-heading h2 {
        font-size: 22px;
    }


    /* Authentication */

    .auth-container {
        padding: 20px 12px;
    }


    .auth-card {
        padding: 25px 18px;
    }

}