:root {
    --theme-color: #059669;
    --theme-rgb: 5, 150, 105;
    --theme-hover: #047857;
    --theme-active: #065f46;
    --theme-light: rgba(5, 150, 105, 0.08);
    --theme-glow: rgba(5, 150, 105, 0.25);
    --theme-focus-ring: rgba(5, 150, 105, 0.2);
    --bg-surface: #ffffff;
    --bg-page: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-input: #cbd5e1;
    --border-focus: var(--theme-color);
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    --shadow-card: 0 20px 35px -10px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-btn: 0 4px 14px 0 var(--theme-glow);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 24px 16px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-page);
    background-image: 
        radial-gradient(at 15% 15%, rgba(var(--theme-rgb), 0.08) 0px, transparent 55%),
        radial-gradient(at 85% 85%, rgba(var(--theme-rgb), 0.06) 0px, transparent 55%),
        radial-gradient(at 50% 10%, rgba(255, 255, 255, 0.9) 0px, #f1f5f9 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Pen Title & Brand Header */
.pen-title {
    text-align: center;
    margin-bottom: 24px;
    padding: 0;
}

.pen-title img,
.brand-logo-img {
    max-width: 220px;
    max-height: 72px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.06));
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.pen-title img:hover,
.brand-logo-img:hover {
    transform: scale(1.02);
}

.brand-subtitle {
    margin-top: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* Main Container & Card */
.container {
    max-width: 440px;
    width: 100%;
    margin: 0 auto;
    padding: 0;
    position: relative;
}

.card:first-child {
    display: none !important;
}

.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 32px 30px 28px;
    position: relative;
    box-sizing: border-box;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card .title {
    border-left: none !important;
    padding: 0 !important;
    margin: 0 0 20px !important;
    color: var(--text-primary) !important;
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    letter-spacing: -0.02em;
    text-transform: none;
}

/* Hide unused legacy card.alt */
.card.alt {
    display: none !important;
}

/* Modern Segmented Tab Switcher */
.btn_login_pin_table {
    width: 100%;
    border-collapse: separate;
    margin-bottom: 20px;
}

.login-tab-container {
    background: #f1f5f9;
    padding: 4px;
    border-radius: var(--radius-full);
    display: flex;
    gap: 4px;
    margin-bottom: 22px;
    border: 1px solid #e2e8f0;
}

.btn_login_pin_type {
    flex: 1;
    text-align: center;
    outline: 0;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.2;
    overflow: hidden;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: var(--radius-full);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none !important;
}

.btn_login_pin_type:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.5);
}

.active_login_btn,
.btn_login_pin_type.active_login_btn {
    background-color: #ffffff !important;
    color: var(--theme-color) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
    font-weight: 700;
}

.active_login_btn:hover {
    color: var(--theme-color) !important;
}

/* Form Input Groups */
.modern-form-group {
    margin-bottom: 18px;
    text-align: left;
}

.modern-form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.modern-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon-left {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
    transition: color 0.2s ease;
    z-index: 2;
}

.modern-input {
    width: 100%;
    height: 46px;
    padding: 10px 14px 10px 40px;
    background: #f8fafc;
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.modern-input.has-toggle {
    padding-right: 42px;
}

.modern-input:focus {
    background: #ffffff;
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px var(--theme-focus-ring);
}

.modern-input-wrapper:focus-within .input-icon-left {
    color: var(--theme-color);
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
    z-index: 2;
}

.password-toggle-btn:hover {
    color: var(--text-primary);
}

/* Fallback support for legacy .input-container (e.g. forgot password pages) */
.card .input-container {
    position: relative;
    margin: 0 0 20px 0 !important;
}

.card .input-container input {
    outline: none;
    position: relative;
    background: #f8fafc;
    width: 100%;
    height: 46px;
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 14px;
    transition: all 0.2s ease;
}

.card .input-container input:focus {
    background: #ffffff;
    border-color: var(--theme-color);
    box-shadow: 0 0 0 3px var(--theme-focus-ring);
}

.card .input-container label {
    display: block;
    position: static;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    line-height: normal;
    transform: none !important;
}

.card .input-container .bar {
    display: none !important;
}

/* Submit Button */
.button-container {
    margin-top: 22px;
    text-align: center;
}

.submit_login,
.card .button-container button {
    outline: 0;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 48px;
    border: 1px solid var(--theme-color);
    border-radius: var(--radius-sm);
    background: var(--theme-color) !important;
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.01em;
    text-transform: none;
    box-shadow: var(--shadow-btn);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 0 20px;
}

.submit_login span,
.card .button-container button span {
    color: #ffffff !important;
    font-weight: 700;
}

.submit_login:hover,
.card .button-container button:hover {
    background: var(--theme-hover) !important;
    border-color: var(--theme-hover) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -3px var(--theme-glow);
    color: #ffffff !important;
}

.submit_login:active,
.card .button-container button:active {
    transform: translateY(0);
}

/* PIN Login Styling */
.div_1.text_center {
    margin: 10px 0 20px;
}

.pinlogin {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 18px;
}

.pinlogin .pinlogin-field {
    box-sizing: border-box;
    display: inline-block;
    width: 52px;
    height: 54px;
    font-size: 26px;
    font-weight: 700;
    padding: 0;
    margin: 0;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #f8fafc;
    color: var(--theme-color);
    text-align: center;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.pinlogin .pinlogin-field:focus {
    background: #ffffff;
    border-color: var(--theme-color);
    box-shadow: 0 0 0 4px var(--theme-focus-ring);
    outline: none;
}

.pin-instruction {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    text-align: center;
}

/* On-Screen Touch Numpad */
.pin-numpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    max-width: 270px;
    margin: 0 auto 12px;
}

.pin-key {
    height: 48px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    user-select: none;
}

.pin-key:hover {
    background: #eef2f6;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.pin-key:active {
    transform: translateY(1px) scale(0.97);
    background: #e2e8f0;
}

.pin-key.key-action {
    font-size: 13px;
    color: var(--text-secondary);
}

.pin-key.key-action:hover {
    color: var(--text-primary);
}

/* Demo Role Credentials */
.demo-credentials-box {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px dashed #e2e8f0;
    text-align: center;
}

.demo-header-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.demo-header-label::before,
.demo-header-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.demo-roles-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}

.btn_demo {
    background: #f1f5f9 !important;
    border: 1px solid #e2e8f0 !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-full) !important;
    padding: 6px 13px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 5px !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
    box-shadow: none !important;
    cursor: pointer;
}

.btn_demo i {
    font-size: 11px;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.btn_demo:hover {
    background: var(--theme-light) !important;
    border-color: var(--theme-color) !important;
    color: var(--theme-color) !important;
    transform: translateY(-1px);
}

.btn_demo:hover i {
    color: var(--theme-color);
}

/* Alert Banners */
.red_error,
.green_error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    line-height: 1.4;
    text-align: left;
}

.red_error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.green_error {
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: var(--theme-color);
}

.error_txt {
    color: #dc2626;
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
    margin-left: 0 !important;
    text-align: left;
}

/* Footer Links */
.card .footer {
    margin: 20px 0 0 !important;
    padding-top: 16px;
    border-top: 1px solid #f1f5f9;
    font-size: 13px !important;
    font-weight: 500 !important;
    text-align: center;
}

.card .footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.card .footer a:hover {
    color: var(--theme-color);
    text-decoration: underline;
}

.div_signup_link {
    font-size: 13px;
    margin-top: 12px;
    margin-bottom: 0;
}

.div_signup_link_a {
    color: var(--theme-color) !important;
    font-weight: 600;
}

.app-version-badge {
    text-align: center;
    margin-top: 20px;
    color: var(--text-muted);
    font-size: 12px;
}

.version-pill {
    display: inline-block;
    background: #ffffff;
    color: var(--text-muted);
    border: 1px solid #e2e8f0;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

/* Floating WhatsApp and Buy Now CTAs */
.custom_shadow {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12) !important;
    position: fixed;
    z-index: 999;
    inset-block-end: 24px;
    inset-inline-end: 24px;
    padding: 10px 16px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: transform 0.2s ease;
}

.custom_shadow:hover {
    transform: translateY(-2px);
}

/* Helper Utilities */
.text_center {
    text-align: center !important;
}

.display_none_login {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    body {
        padding: 16px 12px;
        align-items: flex-start;
    }

    .card {
        padding: 24px 18px 20px;
        border-radius: var(--radius-md);
    }

    .pen-title img,
    .brand-logo-img {
        max-width: 180px;
        max-height: 60px;
    }

    .pinlogin .pinlogin-field {
        width: 44px;
        height: 48px;
        font-size: 22px;
    }

    .pin-key {
        height: 44px;
        font-size: 17px;
    }
}