/* ============================================
   AGRIBAG CALCULATOR — Premium Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600&display=swap');

/* Variables */
:root {
    --green-dark: #1a3a2a;
    --green-mid: #2d5a3d;
    --green-light: #3d7a52;
    --gold: #c9a84c;
    --gold-light: #e8c97a;
    --cream: #f8f4ed;
    --cream-dark: #ede8df;
    --white: #ffffff;
    --text-dark: #1a2a1f;
    --text-mid: #3d5a47;
    --text-light: #7a9a84;
    --shadow-sm: 0 2px 12px rgba(26,58,42,0.08);
    --shadow-md: 0 8px 32px rgba(26,58,42,0.12);
    --shadow-lg: 0 20px 60px rgba(26,58,42,0.18);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--cream);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effects */
.bg-grain {
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
}

.bg-circle {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.circle-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(45,90,61,0.08) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.circle-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201,168,76,0.06) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(26,58,42,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201,168,76,0.2);
    padding: 0 24px;
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
    filter: drop-shadow(0 2px 8px rgba(201,168,76,0.4));
}

.logo-text h1 {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    color: var(--white);
    line-height: 1;
    letter-spacing: 0.5px;
}

.logo-text span {
    font-size: 11px;
    color: var(--gold);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-btn {
    padding: 8px 20px;
    border: 1px solid rgba(201,168,76,0.3);
    background: transparent;
    color: rgba(255,255,255,0.7);
    border-radius: 50px;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover, .nav-btn.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--green-dark);
    font-weight: 600;
}

/* Main */
.main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px 80px;
    position: relative;
    z-index: 1;
}

/* Section */
.section {
    animation: fadeInUp 0.5s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    margin-bottom: 28px;
}

.section-title h2 {
    font-family: 'Playfair Display', serif;
    font-size: 32px;
    color: var(--green-dark);
    margin-bottom: 6px;
}

.section-title p {
    color: var(--text-light);
    font-size: 15px;
}

/* Form Card */
.form-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(26,58,42,0.06);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-mid);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-group input {
    padding: 14px 16px;
    border: 1.5px solid var(--cream-dark);
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: var(--text-dark);
    background: var(--cream);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus {
    border-color: var(--green-light);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(61,122,82,0.1);
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--cream-dark);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--cream);
    margin-bottom: 24px;
}

.upload-area:hover {
    border-color: var(--green-light);
    background: rgba(61,122,82,0.03);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.upload-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.upload-content p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 6px;
}

.upload-content span {
    font-size: 12px;
    color: var(--text-light);
    background: var(--cream-dark);
    padding: 4px 12px;
    border-radius: 50px;
}

/* Preview */
.preview-container {
    position: relative;
    margin-bottom: 24px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.preview-container img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    display: block;
}

.btn-remove {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.6);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-remove:hover {
    background: rgba(0,0,0,0.8);
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(26,58,42,0.3);
    letter-spacing: 0.3px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(26,58,42,0.4);
    background: linear-gradient(135deg, var(--green-mid), var(--green-light));
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-icon {
    font-size: 18px;
    transition: var(--transition);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

.btn-secondary {
    padding: 14px 28px;
    background: transparent;
    color: var(--text-mid);
    border: 1.5px solid var(--cream-dark);
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--green-light);
    color: var(--green-dark);
    background: rgba(61,122,82,0.04);
}

/* Loading */
.loading-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.loading-animation {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 32px;
}

.loading-ring {
    width: 80px;
    height: 80px;
    border: 3px solid var(--cream-dark);
    border-top: 3px solid var(--green-mid);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-grain {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

.loading-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.loading-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 32px;
}

.loading-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 260px;
    margin: 0 auto;
}

.step {
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-light);
    background: var(--cream);
    transition: var(--transition);
}

.step.active {
    background: rgba(45,90,61,0.1);
    color: var(--green-mid);
    font-weight: 600;
}

/* Farmer Badge */
.farmer-badge {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--gold);
}

.farmer-badge span {
    font-size: 28px;
}

.farmer-badge strong {
    display: block;
    font-size: 16px;
    color: var(--text-dark);
}

.farmer-badge div span {
    font-size: 13px;
    color: var(--text-light);
}

/* Table */
.table-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 20px;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--cream);
    border-bottom: 1px solid var(--cream-dark);
}

.table-header span {
    font-size: 13px;
    color: var(--text-light);
}

.btn-recalculate {
    padding: 8px 16px;
    background: var(--green-dark);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'DM Sans', sans-serif;
}

.btn-recalculate:hover {
    background: var(--green-mid);
    transform: scale(1.05);
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead tr {
    background: var(--green-dark);
}

thead th {
    padding: 14px 12px;
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-align: center;
}

tbody tr {
    border-bottom: 1px solid var(--cream);
    transition: var(--transition);
}

tbody tr:hover {
    background: rgba(61,122,82,0.03);
}

tbody td {
    padding: 8px 12px;
    text-align: center;
    font-size: 14px;
    color: var(--text-mid);
}

tbody td.sno {
    color: var(--text-light);
    font-size: 12px;
}

tbody td input {
    width: 80px;
    padding: 6px 10px;
    border: 1.5px solid transparent;
    border-radius: 8px;
    text-align: center;
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    background: var(--cream);
    transition: var(--transition);
    outline: none;
}

tbody td input:focus {
    border-color: var(--green-light);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(61,122,82,0.1);
    width: 90px;
}

.sum-row td {
    padding: 14px 12px;
    background: rgba(26,58,42,0.05);
    font-size: 13px;
    font-weight: 600;
    color: var(--green-dark);
    text-align: center;
    border-top: 2px solid var(--cream-dark);
}

/* Total Card */
.total-card {
    background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
    margin-bottom: 24px;
    box-shadow: 0 8px 40px rgba(26,58,42,0.3);
    position: relative;
    overflow: hidden;
}

.total-card::before {
    content: '🌾';
    position: absolute;
    font-size: 120px;
    opacity: 0.06;
    right: -20px;
    bottom: -20px;
}

.total-label {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.total-value {
    font-family: 'Playfair Display', serif;
    font-size: 52px;
    color: var(--gold-light);
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1;
}

.total-sub {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 16px;
}

.action-buttons .btn-primary {
    flex: 1;
}

/* Records */
.search-bar {
    margin-bottom: 24px;
}

.search-bar input {
    width: 100%;
    padding: 14px 20px;
    border: 1.5px solid var(--cream-dark);
    border-radius: var(--radius-sm);
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    background: var(--white);
    outline: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.search-bar input:focus {
    border-color: var(--green-light);
    box-shadow: 0 0 0 3px rgba(61,122,82,0.1);
}

.record-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(26,58,42,0.06);
    transition: var(--transition);
    cursor: pointer;
}

.record-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(61,122,82,0.2);
}

.record-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.record-name {
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    color: var(--text-dark);
}

.record-date {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 2px;
}

.record-total {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    color: var(--green-mid);
    font-weight: 700;
}

.record-total span {
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    color: var(--text-light);
    font-weight: 400;
}

.record-cols {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.record-col {
    background: var(--cream);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
}

.record-col-label {
    font-size: 11px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.record-col-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--text-light);
}

.empty-state p {
    font-size: 24px;
    margin-bottom: 8px;
}

.empty-state span {
    font-size: 14px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--green-dark);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    border: 1px solid rgba(201,168,76,0.3);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* Responsive */
@media (max-width: 640px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .section-title h2 {
        font-size: 26px;
    }

    .total-value {
        font-size: 40px;
    }

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

    .action-buttons {
        flex-direction: column;
    }

    .header-inner {
        gap: 12px;
    }

    .nav-btn {
        padding: 7px 14px;
        font-size: 13px;
    }

    tbody td input {
        width: 65px;
    }
}