/* ============================================
   دادکاو - CSS واحد
   ============================================ */

/* Variables */
:root {
    --emerald: #00674F;
    --emerald-light: #4CEDC8;
    --charcoal: #1E1E1E;
    --charcoal-light: #2C2C2C;
    --gray-mid: #6F6F6F;
    --white: #FFFFFF;
    --gold-matte: #C9A86A;
    --mint-light: #CFF5E7;
    --success: #4CEDC8;
    --warning: #EFBF4A;
    --danger: #FF6B6B;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IRANSans", sans-serif;
    background-color: var(--charcoal);
    color: var(--white);
    line-height: 1.6;
}

/* Header */
header {
    background-color: var(--charcoal);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--charcoal-light);
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    font-size: 26px;
    font-weight: bold;
    color: var(--emerald-light);
    text-decoration: none;
}

header .logo a {
    color: var(--emerald-light);
    text-decoration: none;
    transition: color 0.2s;
}

header .logo a:hover {
    color: var(--emerald);
}

nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--emerald-light);
}

/* Buttons */
.btn-primary {
    background-color: var(--emerald);
    padding: 10px 20px;
    border-radius: 6px;
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #005a42;
}

.btn-secondary {
    background-color: var(--emerald-light);
    padding: 10px 20px;
    border-radius: 6px;
    color: var(--charcoal);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #3dd4b8;
}

.btn-view {
    background-color: var(--emerald-light);
    padding: 8px 14px;
    border-radius: 6px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn-view:hover {
    background-color: #3dd4b8;
}

.btn-danger {
    background-color: var(--danger);
    padding: 10px 18px;
    border-radius: 6px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-left: 10px;
    transition: background-color 0.2s;
}

.btn-danger:hover {
    background-color: #ff5252;
}

.btn-copy {
    background-color: var(--warning);
    padding: 10px 18px;
    border-radius: 6px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    margin-left: 10px;
    transition: background-color 0.2s;
}

.btn-copy:hover {
    background-color: #f5b82e;
}

.btn {
    background-color: var(--emerald-light);
    padding: 10px 18px;
    border-radius: 6px;
    color: #000;
    text-decoration: none;
    font-weight: bold;
    margin-left: 10px;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: #3dd4b8;
}

/* Hamburger Menu Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--emerald-light);
    font-size: 28px;
    cursor: pointer;
    padding: 8px 12px;
    transition: color 0.2s;
    margin-left: 15px;
}

header .menu-toggle {
    display: none;
}

.menu-toggle:hover {
    color: var(--emerald);
}

/* Sidebar */
.sidebar {
    width: 240px;
    background-color: var(--charcoal-light);
    height: 100vh;
    padding: 30px 20px;
    border-left: 1px solid #333;
    position: fixed;
    right: 0;
    top: 0;
    overflow-y: auto;
    z-index: 1000;
}

.logo {
    font-size: 26px;
    font-weight: bold;
    color: var(--emerald-light);
    margin-bottom: 40px;
    text-align: center;
}

.sidebar a {
    display: block;
    padding: 12px;
    margin-bottom: 10px;
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    transition: 0.2s;
}

.sidebar a:hover {
    background-color: var(--emerald);
}

/* Main Content */
.main {
    margin-right: 260px;
    padding: 40px;
    width: calc(100% - 260px);
    clear: both;
}

/* Hero Section */
.hero {
    padding: 100px 40px;
    text-align: center;
    background-color: var(--charcoal);
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--emerald-light);
}

.hero p {
    font-size: 18px;
    color: var(--gray-mid);
    margin-bottom: 40px;
}

.hero .cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 80px 40px;
    background-color: var(--charcoal-light);
}

.features h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--emerald-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-box {
    background-color: var(--charcoal);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #333;
}

.feature-box h3,
.feature-box h2 {
    color: var(--emerald-light);
    margin-bottom: 10px;
}

.feature-box p {
    color: var(--gray-mid);
    line-height: 1.8;
}

/* Section */
.section {
    padding: 80px 40px;
}

.section h1 {
    text-align: center;
    color: var(--emerald-light);
    margin-bottom: 40px;
}

.section h2 {
    color: var(--emerald-light);
    margin-bottom: 15px;
}

.section p,
.section li {
    color: #CCCCCC;
    line-height: 1.9;
}

.section ul {
    padding-right: 20px;
}

/* Forms */
.login-container,
.signup-container {
    width: 420px;
    max-width: 90%;
    margin: 80px auto;
    background-color: var(--charcoal-light);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #333;
}

.container {
    width: 600px;
    max-width: 90%;
    margin: 80px auto;
    background-color: var(--charcoal-light);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #333;
}

.form-box {
    background-color: var(--charcoal-light);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #333;
    width: 600px;
    max-width: 100%;
}

h1 {
    color: var(--emerald-light);
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--emerald-light);
    font-size: 14px;
}

input,
textarea,
select {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 6px;
    border: none;
    background-color: var(--charcoal);
    color: var(--white);
    font-size: 14px;
    font-family: inherit;
}

textarea {
    height: 120px;
    resize: vertical;
}

.error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 15px;
    display: none;
}

.signup-link,
.login-link {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-mid);
}

.signup-link a,
.login-link a {
    color: var(--emerald-light);
    text-decoration: none;
}

.signup-link a:hover,
.login-link a:hover {
    text-decoration: underline;
}

/* Upload */
.upload-box {
    border: 2px dashed var(--emerald-light);
    padding: 40px 20px;
    text-align: center;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.upload-box.hover {
    background-color: #263232;
}

#fileInput {
    display: none;
}

#fileName {
    margin-top: 15px;
    color: var(--emerald-light);
    min-height: 20px;
    font-size: 14px;
}

.btn-analyze {
    width: 100%;
    background-color: var(--emerald);
    padding: 14px;
    border-radius: 6px;
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    text-align: center;
    margin-top: 25px;
    cursor: pointer;
    border: none;
}

.btn-analyze:hover {
    background-color: #005a42;
}

.loading {
    color: var(--emerald-light);
    font-size: 16px;
    text-align: center;
    margin-top: 20px;
    display: none;
}

.result-box {
    margin-top: 40px;
    padding: 25px;
    background-color: var(--charcoal);
    border-radius: 10px;
    border: 1px solid #333;
    display: none;
}

.result-box h2 {
    color: var(--emerald-light);
    margin-top: 0;
}

.result-box p {
    line-height: 2;
    color: #CCCCCC;
    font-size: 14px;
}

/* Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.card {
    background-color: var(--charcoal-light);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #333;
}

.card h2 {
    color: var(--emerald-light);
    margin-bottom: 10px;
}

.recent {
    margin-top: 50px;
}

.recent-item {
    background-color: var(--charcoal-light);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #333;
    margin-bottom: 10px;
}

.recent-item span {
    color: var(--emerald-light);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--charcoal-light);
    border-radius: 12px;
    overflow: hidden;
}

th,
td {
    padding: 15px;
    border-bottom: 1px solid #333;
    text-align: center;
}

th {
    background-color: #222;
    color: var(--emerald-light);
}

tr:hover {
    background-color: #2A2A2A;
}

.status {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    color: #000;
    font-weight: bold;
}

.status.done {
    background-color: var(--success);
}

.status.pending {
    background-color: var(--warning);
}

.status.error {
    background-color: var(--danger);
}

.btn-upload {
    background-color: var(--emerald);
    padding: 12px 20px;
    border-radius: 6px;
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-bottom: 25px;
}

.btn-upload:hover {
    background-color: #005a42;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.plan {
    background-color: var(--charcoal-light);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #333;
    text-align: center;
}

.plan h2 {
    color: var(--emerald-light);
    margin-bottom: 10px;
}

.price {
    font-size: 28px;
    margin: 20px 0;
    color: var(--emerald-light);
}

.plan ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    color: var(--gray-mid);
    line-height: 2;
}

/* Samples */
.sample-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.sample-box {
    background-color: var(--charcoal-light);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid #333;
}

.sample-box h2 {
    color: var(--emerald-light);
    margin-bottom: 10px;
}

.sample-box p {
    color: var(--gray-mid);
    line-height: 1.8;
}

/* Footer */
footer {
    background-color: var(--charcoal);
    padding: 40px;
    text-align: center;
    color: var(--gray-mid);
    margin-top: 60px;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .feature-grid,
    .pricing-grid,
    .sample-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .sidebar {
        width: 200px;
    }

    .main {
        margin-right: 220px;
        width: calc(100% - 220px);
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Header */
    header {
        padding: 15px 20px;
        flex-direction: row;
        align-items: center;
        gap: 15px;
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    header .logo {
        font-size: 22px;
    }

    header .menu-toggle {
        display: block;
    }

    header nav {
        display: none;
    }

    /* Sidebar - تبدیل به منوی همبرگری */
    .sidebar {
        width: 280px;
        height: 100vh;
        position: fixed;
        right: -280px;
        top: 0;
        transition: right 0.3s ease;
        border-left: 1px solid #333;
        padding: 20px;
        display: block;
    }

    .sidebar.active {
        right: 0;
    }

    /* Overlay برای بستن منو */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.7);
        z-index: 999;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .main {
        margin-right: 0;
        width: 100%;
        padding: 20px;
    }
    
    /* منوی همبرگری در موبایل */
    header .menu-toggle {
        display: block;
    }
    
    /* مخفی کردن nav در موبایل */
    header nav {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    /* Grids - تک ستونه */
    .feature-grid,
    .pricing-grid,
    .sample-grid,
    .cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Sections */
    .features,
    .section {
        padding: 40px 20px;
    }

    /* Forms */
    .login-container,
    .signup-container,
    .container {
        width: 100%;
        margin: 40px auto;
        padding: 30px 20px;
    }

    .form-box {
        width: 100%;
        padding: 20px;
    }

    /* Table - تبدیل به کارت در موبایل */
    table {
        display: block;
        overflow-x: auto;
    }

    th,
    td {
        padding: 10px 8px;
        font-size: 14px;
    }

    /* Cards */
    .card {
        padding: 20px;
    }

    /* Buttons */
    .btn-primary,
    .btn-secondary,
    .btn {
        padding: 10px 15px;
        font-size: 14px;
    }

    /* Footer */
    footer {
        padding: 30px 20px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .hero .cta {
        flex-direction: column;
    }

    .hero .cta a {
        width: 100%;
        text-align: center;
    }

    .price {
        font-size: 24px;
    }

    h1 {
        font-size: 24px;
    }

    .section h1 {
        font-size: 22px;
    }
}