/* ==========================================================================
   My Gold Melting Web App - Strict Design System & Styles
   Directly mapped from Android themes.xml, colors.xml, and activity layouts
   ========================================================================== */

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

:root {
    /* Android Color Tokens */
    --color-primary: #2196F3;
    --color-primary-dark: #1976D2;
    --color-accent: #90CAF9;
    --color-bg: #F0F0F1;
    --color-bg-30: rgba(255, 255, 255, 0.45);
    --color-bg-50: rgba(255, 255, 255, 0.75);
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-text-title: #1C2534;
    --color-text-dark: #303030;
    --color-text-header: #FFFFFF;
    --color-text-description: #F4F3F3;
    --color-mnu-blue: #257FC5;
    --color-costing-purple: #7159CF;
    --color-settings-orange: #C6500F;
    --color-red: #E53935;
    --color-green: #669900;
    --color-gray: #444444;
    --color-grey: #787878;
    --color-grey-40: #999999;
    --color-hint: #9E9E9E;
    --color-line-default: #E0E0E0;
    --color-about-title: #404040;
    --color-about-text: #8D8D8D;
    --color-overlay: rgba(0, 0, 0, 0.5);

    /* Gradients */
    --gradient-melting: linear-gradient(45deg, #3C92E9, #97D7FB);
    --gradient-costing: linear-gradient(45deg, #7B54ED, #AF84F8);
    --gradient-settings: linear-gradient(45deg, #ECA275, #F8C5AA);

    /* Shadows & Radii */
    --radius-main-card: 30px;
    --radius-form-card: 16px;
    --radius-item-card: 10px;
    --radius-btn: 8px;
    --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.08);
    --shadow-dialog: 0 -8px 24px rgba(0, 0, 0, 0.18);
    --shadow-float: 0 6px 16px rgba(33, 150, 243, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text-dark);
    overflow-x: hidden;
    user-select: none;
    -webkit-user-select: none;
}

/* App Viewport - 100% edge-to-edge mobile fit with zero wasted margins */
.app-viewport {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Input & Action Containers */
.form-inputs-grid {
    display: flex;
    flex-direction: column;
}

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

/* Screens Container */
.screens-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    flex: 1;
    overflow: hidden;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg);
    opacity: 0;
    pointer-events: none;
    transform: translateX(30px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    overflow: hidden;
}

.screen.active {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    z-index: 10;
}

/* Background image decoration */
.bg-decor {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    z-index: 0;
}

.bg-decor.tint-teal {
    filter: invert(65%) sepia(85%) saturate(450%) hue-rotate(120deg) brightness(95%) contrast(90%);
    opacity: 0.85;
}

.bg-decor.tint-blue {
    filter: invert(45%) sepia(90%) saturate(300%) hue-rotate(175deg) brightness(98%) contrast(90%);
    opacity: 0.65;
}

/* Top Toolbar */
.toolbar {
    position: relative;
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background-color: transparent;
    z-index: 20;
}

.toolbar.has-bg {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-line-default);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.toolbar-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-dark);
    transition: background-color 0.2s, transform 0.1s;
}

.toolbar-btn:active {
    background-color: rgba(0, 0, 0, 0.08);
    transform: scale(0.95);
}

.toolbar-btn.history-pill {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-float);
}

.toolbar-btn.history-pill:active {
    background: var(--color-primary-dark);
}

.toolbar-title {
    font-size: 19px;
    font-weight: 600;
    color: var(--color-text-dark);
    flex: 1;
    margin-left: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

/* Scrollable screen content */
.screen-content {
    position: relative;
    width: 100%;
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 20px 24px;
    z-index: 10;
    -webkit-overflow-scrolling: touch;
}

.screen-content::-webkit-scrollbar {
    width: 4px;
}

.screen-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 4px;
}

/* ==========================================================================
   Screen: Splash Screen
   ========================================================================== */
#screen-splash {
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 50%, #90CAF9 100%);
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #FFFFFF;
    z-index: 100;
}

.splash-logo {
    width: 110px;
    height: 110px;
    border-radius: 26px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
    animation: pulse 1.8s infinite ease-in-out;
}

.splash-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 8px;
}

.splash-subtitle {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 400;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ==========================================================================
   Screen: Dashboard / MainActivity
   ========================================================================== */
.dashboard-header {
    margin-top: 10px;
    margin-bottom: 24px;
    padding: 0 4px;
}

.app-main-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
    letter-spacing: -0.5px;
}

.greeting-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-description);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.35);
    margin-top: 4px;
}

.welcome-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.35);
}

.dashboard-grid {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Dashboard Action Cards (30px radius) */
.dash-card {
    background: var(--color-bg-50);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-main-card);
    height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.dash-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.dash-card:active {
    transform: scale(0.97);
}

.card-icon-circle {
    width: 74px;
    height: 74px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-icon-circle.melting-icon {
    background: var(--gradient-melting);
}

.card-icon-circle.costing-icon {
    background: var(--gradient-costing);
}

.card-icon-circle.settings-icon {
    background: var(--gradient-settings);
}

.card-icon-circle svg,
.card-icon-circle img {
    width: 36px;
    height: 36px;
    fill: #FFFFFF;
    color: #FFFFFF;
}

.dash-card-label {
    font-size: 17px;
    font-weight: 700;
}

.label-melting { color: var(--color-mnu-blue); }
.label-costing { color: var(--color-costing-purple); }
.label-settings { color: var(--color-settings-orange); }

/* ==========================================================================
   Screen: Sub Screens Common Elements (Melting, Jewellery Cost)
   ========================================================================== */
.subscreen-heading {
    margin-bottom: 16px;
}

.subscreen-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary-dark);
    text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.8);
    letter-spacing: -0.5px;
}

.subscreen-desc {
    font-size: 15px;
    color: var(--color-primary);
    margin-top: 4px;
}

/* Glassmorphic Form Card (16px radius) */
.form-card {
    background: var(--color-bg-30);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-form-card);
    padding: 22px 18px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
}

/* Material Outlined Input Fields */
.outline-group {
    position: relative;
    margin-bottom: 16px;
    width: 100%;
}

.outline-group input {
    width: 100%;
    height: 54px;
    padding: 14px 16px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-black);
    background: rgba(255, 255, 255, 0.9);
    border: 1.5px solid var(--color-primary);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.outline-group input:focus {
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
}

.outline-group label {
    position: absolute;
    left: 14px;
    top: -9px;
    background: #FFFFFF;
    padding: 0 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary-dark);
    pointer-events: none;
    border-radius: 4px;
}

.outline-group.clickable input {
    cursor: pointer;
    background: rgba(255, 255, 255, 0.95);
}

.outline-group .clear-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-grey);
    cursor: pointer;
    display: none;
}

.outline-group input:not(:placeholder-shown) + .clear-icon {
    display: block;
}

/* Result Rows */
.result-box {
    margin-top: 10px;
    margin-bottom: 14px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    padding-top: 10px;
    display: none;
    animation: fadeIn 0.3s ease;
}

.result-box.visible {
    display: block;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 4px;
}

.result-label {
    font-size: 15px;
    color: var(--color-primary);
    font-weight: 500;
}

.result-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

/* Buttons */
.btn-primary {
    width: 100%;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-btn);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(33, 150, 243, 0.3);
    transition: background-color 0.2s, transform 0.1s;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:active {
    background-color: var(--color-primary-dark);
    transform: scale(0.99);
}

.btn-clear {
    width: 100%;
    height: 44px;
    background: transparent;
    color: var(--color-white);
    background-color: rgba(120, 120, 120, 0.85);
    border: none;
    border-radius: var(--radius-btn);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-clear:active {
    background-color: rgba(90, 90, 90, 0.95);
}

/* ==========================================================================
   Screen: History List (Melting History & Jewellery History)
   ========================================================================== */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-card {
    background: var(--color-white);
    border-radius: var(--radius-item-card);
    padding: 16px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    animation: fadeShow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.history-card:hover {
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.1);
}

.history-card:active {
    transform: scale(0.98);
}

.history-card-header {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px dashed var(--color-line-default);
}

.history-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    text-align: center;
    margin-bottom: 8px;
}

.history-label {
    font-size: 11px;
    color: var(--color-grey);
    text-transform: capitalize;
}

.history-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-black);
}

.history-val.large {
    font-size: 22px;
}

.history-date {
    font-size: 11px;
    color: var(--color-grey);
    text-align: right;
    margin-top: 4px;
}

.no-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--color-grey);
    text-align: center;
}

.no-data svg {
    width: 64px;
    height: 64px;
    fill: var(--color-grey-40);
    margin-bottom: 14px;
}

/* ==========================================================================
   Screen: Settings & About Us
   ========================================================================== */
.settings-menu {
    background: var(--color-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.settings-item {
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #F1F5F9;
    cursor: pointer;
    transition: background-color 0.15s;
}

.settings-item:last-child {
    border-bottom: none;
}

.settings-item:active {
    background-color: #F8FAFC;
}

.settings-item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-title);
}

.settings-item-subtitle {
    font-size: 13px;
    color: var(--color-grey);
    margin-top: 2px;
}

.about-header-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-card);
    margin-bottom: 12px;
}

.about-header-card img {
    width: 54px;
    height: 54px;
    border-radius: 12px;
}

.about-item-card {
    background: var(--color-white);
    border-radius: 10px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 10px;
    cursor: pointer;
}

.about-icon {
    width: 26px;
    height: 26px;
    color: var(--color-grey-40);
    flex-shrink: 0;
}

.about-divider {
    width: 1px;
    height: 36px;
    background: #E2E8F0;
}

.about-card-desc {
    background: var(--color-white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow-card);
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-about-text);
}

.about-card-desc h4 {
    font-size: 16px;
    color: var(--color-about-title);
    margin-bottom: 10px;
}

.about-card-desc ul {
    padding-left: 20px;
    margin: 12px 0;
}

.about-card-desc li {
    margin-bottom: 6px;
}

/* Privacy Policy Card */
.privacy-policy-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-card);
    line-height: 1.7;
    color: var(--color-text-dark);
    max-width: 860px;
    margin: 10px auto 30px;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.privacy-policy-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.privacy-policy-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-title);
    margin-top: 20px;
    margin-bottom: 8px;
}

.privacy-policy-card p {
    font-size: 14px;
    color: #475569;
    margin-bottom: 12px;
}

.privacy-policy-card ul {
    padding-left: 20px;
    margin-bottom: 14px;
}

.privacy-policy-card li {
    font-size: 14px;
    color: #475569;
    margin-bottom: 6px;
}

/* ==========================================================================
   Modals & Bottom Sheets (BottomFluxDialog reproduction)
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.modal-backdrop.open {
    display: flex;
    opacity: 1;
}

.bottom-sheet {
    width: 100%;
    max-width: 480px;
    max-height: 88vh;
    background: var(--color-white);
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    box-shadow: var(--shadow-dialog);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .bottom-sheet {
    transform: translateY(0);
}

.sheet-handle {
    width: 38px;
    height: 4px;
    background-color: #CBD5E1;
    border-radius: 4px;
    margin: 10px auto 4px;
}

.sheet-header {
    padding: 12px 20px;
    text-align: center;
    border-bottom: 1px solid #F1F5F9;
}

.sheet-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.sheet-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.sheet-footer {
    padding: 12px 20px;
    display: flex;
    gap: 10px;
    border-top: 1px solid #F1F5F9;
    background: #FAFBFD;
}

/* History Details Modal Grid (14 fields) */
.history-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px 8px;
    margin-bottom: 16px;
    text-align: center;
}

.history-detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.history-detail-label {
    font-size: 10px;
    color: var(--color-grey);
    line-height: 1.2;
}

.history-detail-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-black);
    margin-top: 2px;
}

/* Center Alert Dialog (for Confirmations & Language Picker) */
.center-modal {
    width: 90%;
    max-width: 380px;
    background: var(--color-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin: auto;
}

.modal-backdrop.open .center-modal {
    transform: scale(1);
}

.modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-title);
    margin-bottom: 12px;
}

.modal-msg {
    font-size: 14px;
    color: var(--color-grey);
    margin-bottom: 20px;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
}

.modal-btn.primary {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.modal-btn.danger {
    background-color: var(--color-red);
    color: #FFFFFF;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 4px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
}

.radio-item input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* Toast Message */
.toast-msg {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(50px);
    background-color: rgba(30, 30, 30, 0.9);
    color: #FFFFFF;
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
    max-width: 85%;
    text-align: center;
}

.toast-msg.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeShow {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Laptop & Desktop Layout (min-width: 768px)
   Adapts the mobile interface into a full-width, clean desktop application
   without empty letterboxing or phone borders.
   ========================================================================== */
@media (min-width: 768px) {
    body {
        background-color: #EEF2F6;
        min-height: 100vh;
    }

    .app-viewport {
        max-width: 100%;
        min-height: 100vh;
        background-color: #F8FAFC;
    }

    /* Centered spacious screen content */
    .screen-content {
        max-width: 1080px;
        margin: 0 auto;
        padding: 24px 32px 48px;
    }

    .toolbar {
        max-width: 1080px;
        margin: 0 auto;
        padding: 12px 32px;
    }

    .toolbar.has-bg {
        border-radius: 0 0 16px 16px;
    }

    /* On laptop, hide mobile background image to display rich vector gradients */
    .bg-decor {
        display: none;
    }

    /* Modern Laptop Dashboard Banner */
    .dashboard-header {
        background: linear-gradient(135deg, #0288D1 0%, #0097A7 50%, #00897B 100%);
        border-radius: 24px;
        padding: 38px 42px;
        margin-top: 10px;
        margin-bottom: 32px;
        box-shadow: 0 12px 32px rgba(0, 151, 167, 0.22);
        position: relative;
        overflow: hidden;
    }

    .dashboard-header::after {
        content: '';
        position: absolute;
        right: -30px;
        top: -30px;
        width: 250px;
        height: 250px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
        pointer-events: none;
    }

    .app-main-title {
        font-size: 38px;
        letter-spacing: -0.5px;
        text-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    }

    .greeting-text {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.95);
        margin-top: 6px;
        letter-spacing: 0.3px;
    }

    .welcome-text {
        font-size: 22px;
        color: #FFFFFF;
        margin-top: 2px;
    }

    /* Dashboard Action Cards: 3 side-by-side in 1 row */
    .dashboard-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        max-width: 1000px;
        margin: 0 auto;
    }

    .dashboard-row {
        display: contents;
    }

    .dash-card {
        height: 220px;
        border-radius: 24px;
        background: #FFFFFF;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        border: 1px solid #E2E8F0;
    }

    .dash-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
        border-color: rgba(33, 150, 243, 0.4);
    }

    .card-icon-circle {
        width: 82px;
        height: 82px;
        margin-bottom: 16px;
    }

    .card-icon-circle svg,
    .card-icon-circle img {
        width: 42px;
        height: 42px;
    }

    .dash-card-label {
        font-size: 19px;
    }

    /* Form Cards on Laptop */
    .form-card {
        max-width: 880px;
        margin: 0 auto 30px;
        padding: 34px 38px;
        border-radius: 22px;
        background: #FFFFFF;
        border: 1px solid #E2E8F0;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    }

    .subscreen-heading {
        max-width: 880px;
        margin: 0 auto 20px;
    }

    .subscreen-title {
        font-size: 30px;
    }

    .subscreen-desc {
        font-size: 16px;
    }

    /* Melting Inputs Grid on Laptop: 3 columns */
    .form-inputs-grid.melting-inputs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    /* Jewellery Cost Inputs Grid on Laptop: 2 columns */
    .form-inputs-grid.costing-inputs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .costing-inputs .outline-group:last-child {
        grid-column: span 2;
    }

    /* Results Box on Laptop */
    .result-box {
        background: #F8FAFC;
        border: 1.5px solid #E2E8F0;
        border-radius: 14px;
        padding: 18px 24px;
        margin-top: 20px;
        margin-bottom: 24px;
    }

    .result-row {
        padding: 10px 0;
    }

    .result-label {
        font-size: 16px;
    }

    .result-value {
        font-size: 18px;
    }

    /* Action buttons side-by-side on laptop */
    .form-actions-row {
        display: flex;
        flex-direction: row;
        gap: 16px;
    }

    .btn-primary, .btn-clear {
        margin-bottom: 0;
        height: 50px;
        font-size: 15px;
    }

    .btn-primary {
        flex: 2;
    }

    .btn-clear {
        flex: 1;
    }

    /* History Grid on Laptop: Multi-column responsive layout */
    .history-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 20px;
    }

    .history-card {
        border-radius: 16px;
        border: 1px solid #E2E8F0;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
    }

    /* Settings Menu on Laptop */
    .settings-menu {
        max-width: 760px;
        margin: 20px auto;
        border-radius: 20px;
        border: 1px solid #E2E8F0;
    }

    .settings-item {
        padding: 22px 28px;
    }

    /* About Us on Laptop */
    .about-header-card,
    .about-item-card,
    .about-card-desc {
        max-width: 760px;
        margin-left: auto;
        margin-right: auto;
    }

    /* Modals & Dialogs on Laptop: Centered dialogs */
    .modal-backdrop {
        align-items: center;
        justify-content: center;
    }

    .bottom-sheet {
        max-width: 580px;
        border-radius: 24px;
        box-shadow: 0 25px 70px rgba(0, 0, 0, 0.28);
        transform: scale(0.92);
        opacity: 0;
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    }

    .modal-backdrop.open .bottom-sheet {
        transform: scale(1);
        opacity: 1;
    }

    .sheet-handle {
        display: none;
    }

    .history-detail-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 14px 10px;
    }
}