/* Modern Login Page Styles */
/* Based on Material Design and modern web standards */

:root {
    --primary-color: #4285f4;
    --primary-dark: #3367d6;
    --primary-light: #669df6;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    --background-gradient-start: #f8f9fa;
    --background-gradient-end: #e9ecef;
    --card-background: #ffffff;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #dadce0;
    --error-color: #d93025;
    --success-color: #1e8e3e;
    --shadow-light: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-medium: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-heavy: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modern Background */
.login_bg {
    width: 100%;
    height: 100%;
    display: table;
    overflow: hidden;
    background: linear-gradient(135deg, var(--background-gradient-start) 0%, var(--background-gradient-end) 100%);
    min-height: 100vh;
    position: relative;
}

/* Animated background particles */
.login_bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(66, 133, 244, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(52, 168, 83, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(234, 67, 53, 0.1) 0%, transparent 50%);
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(120deg); }
    66% { transform: translate(20px, -10px) rotate(240deg); }
}

.login_shell {
    margin: 0 auto;
    width: 100%;
    display: table-cell;
    vertical-align: middle;
    position: relative;
    z-index: 1;
}

/* Modern Login Card */
.login_panel {
    position: relative;
    width: 480px !important;
    min-height: 520px;
    background: var(--card-background);
    border-radius: var(--border-radius-large);
    margin: 0 auto;
    padding: 40px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login_panel:hover {
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
}

/* Modern Header */
.login_panel h1 {
    width: 100%;
    font-size: 28px;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.2;
    margin: 0 0 32px 0;
    padding: 0;
    text-align: center;
    letter-spacing: -0.5px;
}

.login_logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.login_logo img {
    max-width: 180px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Logo Section */
.login_panel_left {
    display: none !important; /* Hide by default, show on larger screens */
}

.login_panel_right {
    float: none;
    width: 100%;
    height: auto;
}

/* Modern Form Elements */
.textfield {
    width: 100% !important;
    height: 56px !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    background: var(--card-background) !important;
    padding: 16px !important;
    font-size: 16px !important;
    color: var(--text-primary) !important;
    margin-bottom: 16px !important;
    transition: var(--transition) !important;
    box-sizing: border-box !important;
    outline: none !important;
    font-family: "Google Sans", "Roboto", "Segoe UI", Arial, sans-serif !important;
}

.textfield:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1) !important;
    transform: translateY(-1px);
}

.textfield::placeholder {
    color: var(--text-secondary) !important;
    opacity: 1 !important;
}

/* Password Toggle */
#togglepwd {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
    z-index: 10;
}

#togglepwd:hover {
    color: var(--primary-color);
}

/* Password field container */
#dvCredentials {
    position: relative;
}

#dvCredentials .textfield:last-child {
    padding-right: 50px !important;
}

/* Modern Language and Skin Selects */
.login_lang_table {
    width: 100% !important;
    table-layout: fixed;
    margin: 24px 0 !important;
    padding: 0;
    border-spacing: 0;
    border-collapse: collapse;
    border: 0;
}

.login_lang_table td {
    width: 50%;
    line-height: 1.5;
    padding: 0 8px;
}

.login_lang_table_mid {
    width: 16px !important;
}

.login_lang_table select {
    width: 100% !important;
    height: 48px !important;
    border: 2px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    background: var(--card-background) !important;
    padding: 12px !important;
    font-size: 14px !important;
    color: var(--text-primary) !important;
    transition: var(--transition) !important;
    cursor: pointer;
    outline: none !important;
}

.login_lang_table select:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1) !important;
}

.login_lang_table label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

/* Modern Checkbox */
.login_remember_checkbox {
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.login_remember_checkbox input[type="checkbox"] {
    width: 18px !important;
    height: 18px !important;
    border: 2px solid var(--border-color) !important;
    border-radius: 3px !important;
    margin: 0 !important;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    -webkit-appearance: none;
    position: relative;
    flex-shrink: 0;
}

.login_remember_checkbox input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.login_remember_checkbox input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: -2px;
    left: 2px;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.login_remember_checkbox label {
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
    margin: 0;
}

/* Modern Buttons */
.login_buttons {
    margin: 20px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.facebook_login_container {
    margin-bottom: 16px;
    text-align: center;
}

.primary_buttons {
    display: flex;
    gap: 12px;
    width: 100%;
}

.bttn_shell {
    display: inline-block;
    flex: 1;
    margin-bottom: 0;
    height: 48px;
    border: none;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    font-weight: 500;
    font-size: 15px;
    text-transform: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.bttn_shell::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.bttn_shell:hover::before {
    left: 100%;
}

.bttn_shell.blue {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    box-shadow: 0 4px 6px rgba(66, 133, 244, 0.3) !important;
}

.bttn_shell.blue:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color)) !important;
    box-shadow: 0 6px 12px rgba(66, 133, 244, 0.4) !important;
    transform: translateY(-2px);
}

.bttn_shell.blue:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(66, 133, 244, 0.3) !important;
}

.bttn_shell:not(.blue) {
    background: transparent !important;
    border: 2px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}

.bttn_shell:not(.blue):hover {
    background: var(--background-gradient-start) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

.bttn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 100% !important;
    text-decoration: none !important;
    color: inherit !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    text-align: center !important;
    padding: 0 !important;
}

.bttn_shell.blue .bttn {
    color: #ffffff !important;
    text-shadow: none !important;
}

/* Error Message */
#lblDescription {
    min-height: 24px;
    padding: 12px 16px;
    background: rgba(217, 48, 37, 0.1);
    border: 1px solid rgba(217, 48, 37, 0.3);
    border-radius: var(--border-radius);
    color: var(--error-color);
    font-size: 14px;
    margin-bottom: 16px;
    text-align: center;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Footer Navigation */
.login_foot_nav {
    position: relative;
    bottom: auto;
    width: 100%;
    text-align: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

.login_foot_nav a,
.login_foot_nav a:visited {
    font-size: 13px;
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 8px;
    transition: var(--transition);
}

.login_foot_nav a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Copyright */
.login_copyright {
    width: 100%;
    text-align: center;
    margin-top: 16px;
    padding: 12px;
    color: var(--text-secondary);
    font-size: 11px;
}

.login_copyright a {
    color: var(--primary-color);
    text-decoration: none;
}

.login_copyright a:hover {
    text-decoration: underline;
}

/* Loading Overlay */
.pageLoad_shell {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    backdrop-filter: blur(5px);
}

.loadPanel_shell {
    position: relative;
    top: 40%;
    width: 320px;
    margin: 0 auto;
    padding: 32px;
    z-index: 100000;
    background: var(--card-background);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-heavy);
    text-align: center;
}

.loadPanel_shell h2 {
    margin: 0 0 24px 0;
    padding: 0;
    font-family: "Google Sans", "Roboto", "Segoe UI", Arial, sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
}

.loadPanel_bar {
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loadPanel_bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Modal Styles */
.pageLoad_shell .loadPanel_shell {
    top: 50%;
    transform: translateY(-50%);
}

/* TOTP/2FA Section */
#dvTOTP {
    text-align: center;
    padding: 24px;
    background: rgba(66, 133, 244, 0.05);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
}

#dvTOTP img {
    max-width: 200px;
    margin-bottom: 16px;
    border-radius: var(--border-radius);
}

#dvSecretKey {
    font-family: 'Courier New', monospace;
    font-size: 18px;
    color: var(--text-primary);
    background: var(--card-background);
    padding: 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 16px;
}

#txtKey {
    width: 100% !important;
    height: 56px !important;
    border: 2px solid var(--primary-color) !important;
    border-radius: var(--border-radius) !important;
    background: var(--card-background) !important;
    padding: 16px !important;
    font-size: 16px !important;
    color: var(--text-primary) !important;
    margin-bottom: 16px !important;
    text-align: center;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
}

/* Responsive Design */
@media (max-width: 768px) {
    .login_panel {
        width: 90% !important;
        max-width: 400px !important;
        padding: 32px 24px !important;
        margin: 20px auto;
    }
    
    .login_panel h1 {
        font-size: 24px;
        margin-bottom: 24px;
    }
    
    .textfield {
        height: 48px !important;
        padding: 12px !important;
        font-size: 16px !important;
    }
    
    .bttn_shell {
        height: 44px;
        font-size: 14px;
    }
    
    .primary_buttons {
        gap: 8px;
    }
    
    .login_lang_table div[style*="flex"] {
        flex-direction: column;
        gap: 12px;
    }
    
    .login_lang_table div[style*="flex: 1"] {
        flex: none;
    }
    
    .login_foot_nav {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .login_foot_nav a {
        display: inline-block;
        margin: 4px 6px;
    }
}

@media (max-width: 480px) {
    .login_panel {
        width: 95% !important;
        padding: 24px 20px !important;
        margin: 10px auto;
    }
    
    .login_panel h1 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .textfield {
        height: 44px !important;
        padding: 10px !important;
        font-size: 16px !important;
    }
    
    .bttn_shell {
        height: 42px;
        font-size: 13px;
    }
    
    .primary_buttons {
        gap: 6px;
    }
    
    .login_lang_table div[style*="flex"] {
        gap: 8px;
    }
    
    .login_foot_nav {
        margin-top: 16px;
        padding-top: 12px;
    }
    
    .login_foot_nav a {
        display: block;
        margin: 6px 0;
        text-align: center;
    }
    
    .login_copyright {
        font-size: 10px;
        margin-top: 12px;
    }
}

/* Cross-browser compatibility */
/* IE11 and Edge Legacy support */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .login_lang_table div[style*="flex"] {
        display: block;
    }
    
    .login_lang_table div[style*="flex: 1"] {
        display: inline-block;
        width: 48%;
        margin-right: 2%;
    }
    
    .login_lang_table div[style*="flex: 1"]:last-child {
        margin-right: 0;
    }
    
    .primary_buttons {
        display: block;
    }
    
    .bttn_shell {
        display: block;
        margin-bottom: 12px;
    }
}

/* Firefox specific fixes */
@-moz-document url-prefix() {
    .textfield {
        padding-top: 12px !important;
        padding-bottom: 12px !important;
    }
    
    .login_lang_table select {
        padding-top: 12px !important;
        padding-bottom: 12px !important;
    }
}

/* Safari specific fixes */
@supports (-webkit-appearance: none) and (not (stroke: #000)) {
    .login_lang_table select {
        -webkit-appearance: none;
        appearance: none;
        background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 20px;
        padding-right: 40px !important;
    }
    
    .login_remember_checkbox input[type="checkbox"] {
        -webkit-appearance: none;
        appearance: none;
    }
}

/* Chrome/Edge specific optimizations */
@media screen and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: .001dpcm) {
    .login_panel {
        transform: translateZ(0);
        backface-visibility: hidden;
        perspective: 1000px;
    }
    
    .bttn_shell::before {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-gradient-start: #1a1a1a;
        --background-gradient-end: #2d2d2d;
        --card-background: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b3b3b3;
        --border-color: #404040;
    }
    
    .login_bg::before {
        opacity: 0.5;
    }
}

/* Ripple Effect */
.bttn_shell {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Focus Effects */
.textfield:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1) !important;
    transform: translateY(-1px);
}

.textfield:focus + #togglepwd {
    color: var(--primary-color);
}

/* Enhanced Error Animation */
.error-shake {
    animation: error-shake 0.5s ease-in-out;
}

@keyframes error-shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Loading State */
.bttn_shell.loading {
    pointer-events: none;
    opacity: 0.7;
}

.bttn_shell.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success State */
.bttn_shell.success {
    background: linear-gradient(135deg, var(--success-color), #1a7343) !important;
    animation: success-pulse 0.6s ease-in-out;
}

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

/* Focus indicators for better accessibility */
.bttn_shell:focus,
.textfield:focus,
.login_lang_table select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-primary: #000000;
        --text-secondary: #000000;
    }
    
    .textfield,
    .login_lang_table select,
    .bttn_shell {
        border-width: 3px !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .ripple {
        display: none;
    }
}