* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #25D366;
    --secondary-color: #128C7E;
    --accent-color: #075E54;
    --success-color: #4CAF50;
    --error-color: #F44336;
    --warning-color: #FF9800;
    --text-dark: #1a202c;
    --text-medium: #2d3748;
    --text-light: #718096;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: radial-gradient(circle at 20% -20%, rgba(29, 233, 182, 0.45), transparent 45%),
        radial-gradient(circle at 80% 20%, rgba(0, 210, 190, 0.18), transparent 35%),
        #010b06;
    min-height: 100vh;
    line-height: 1.6;
    color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 32px;
    justify-content: flex-start;
    align-items: stretch;
}

/* Header - Mobile First */
.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    text-align: center;
    margin-bottom: 10px;
    color: var(--white);
}

.logo {
    background: rgba(255, 255, 255, 0.98);
    padding: 20px 28px;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 0;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.logo img {
    max-width: 180px;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.header-text h1 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    line-height: 1.2;
}

.header-text p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 100%;
    margin: 0 auto;
    font-weight: 400;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.header-text {
    max-width: 520px;
    width: 100%;
}

/* Main Content */
.main-content {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form-container, .success-container {
    background: rgba(255, 255, 255, 0.98);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    width: 100%;
    animation: slideUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Form Header */
.form-header {
    text-align: center;
    margin-bottom: 24px;
}

.form-header i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(37, 211, 102, 0.3));
}

.form-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
    line-height: 1.3;
}

.subtitle {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 400;
}

.trial-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    padding-top: 8px;
}

.highlight-card {
    background: rgba(5, 12, 8, 0.85);
    border: 1px solid rgba(37, 211, 102, 0.3);
    border-radius: var(--radius-md);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
}

.highlight-card:hover {
    border-color: rgba(37, 211, 102, 0.5);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(37, 211, 102, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #29e9b6;
    font-size: 1.4rem;
}

.highlight-card h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #ffffff;
    font-weight: 700;
}

.highlight-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    line-height: 1.5;
}

.highlight-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.highlight-card li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-left: 4px;
}

.highlight-card li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
}

/* Form Styles - Mobile First */
.trial-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.form-group label i {
    color: var(--primary-color);
    width: 16px;
    font-size: 14px;
}

.form-group input {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-dark);
    -webkit-appearance: none;
    appearance: none;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.15);
    transform: translateY(-1px);
}

.form-group input:valid:not(:placeholder-shown) {
    border-color: var(--success-color);
}

.form-group input::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

/* Password Input */
.password-input {
    position: relative;
    width: 100%;
}

.password-input input {
    width: 100% !important;
    padding-right: 48px !important;
    box-sizing: border-box;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-medium);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    opacity: 0.7;
    transition: var(--transition);
    z-index: 10;
}

.password-toggle:hover {
    color: var(--text-dark);
    opacity: 1;
}

.password-toggle:active {
    transform: translateY(-50%) scale(0.95);
}

/* Error Messages */
.error-message {
    color: var(--error-color);
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition);
    min-height: 18px;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Terms Checkbox */
.terms-group {
    margin: 16px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-medium);
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
    margin-top: 1px;
    background: var(--white);
}

.checkbox-label input:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.checkbox-label input:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.terms-text a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.terms-text a:hover {
    text-decoration: underline;
    color: var(--secondary-color);
}

/* Submit Button - Mobile Optimized */
.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 24px 0 16px;
    min-height: 52px;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}

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

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-btn .loading-spinner {
    display: none;
}

.submit-btn.loading .btn-text,
.submit-btn.loading i:not(.fa-spinner) {
    opacity: 0;
}

.submit-btn.loading .loading-spinner {
    display: block;
}

/* Form Footer */
.form-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-medium);
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

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

/* Success Container */
.success-container {
    text-align: center;
}

.success-content {
    animation: successPulse 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes successPulse {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    50% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-icon {
    margin-bottom: 20px;
}

.success-icon i {
    font-size: 3.5rem;
    color: var(--success-color);
    animation: bounceIn 1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    filter: drop-shadow(0 4px 12px rgba(76, 175, 80, 0.4));
}

@keyframes bounceIn {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.success-content h2 {
    color: var(--success-color);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.3;
}

.success-content > p {
    color: var(--text-medium);
    font-size: 1rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.success-details {
    background: rgba(76, 175, 80, 0.1);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin: 20px 0;
    border-left: 4px solid var(--success-color);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-item i {
    color: var(--success-color);
    width: 16px;
    font-size: 14px;
}

.login-info {
    background: rgba(37, 211, 102, 0.08);
    padding: 16px;
    border-radius: var(--radius-sm);
    margin: 20px 0;
    text-align: left;
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.login-info p {
    margin-bottom: 6px;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.login-info strong {
    color: var(--text-dark);
    font-weight: 700;
}

.login-info span {
    font-weight: 700;
    color: var(--primary-color);
    word-break: break-all;
}

.login-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-decoration: none;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    transition: var(--transition);
    margin: 20px 0;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.5);
}

.forgot-password {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    color: var(--text-medium);
    font-size: 0.85rem;
}

.forgot-password a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
}

.forgot-password a:hover {
    text-decoration: underline;
    color: var(--secondary-color);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(8px);
}

.loading-content {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 320px;
    margin: 0 20px;
    animation: slideUp 0.3s ease-out;
    box-shadow: var(--shadow-xl);
}

.loading-spinner-large {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.loading-content h3 {
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 700;
}

.loading-content p {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Toast Styles */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    left: 20px;
    background: var(--error-color);
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    animation: slideInTop 0.3s ease-out;
    font-size: 0.9rem;
    line-height: 1.4;
    font-weight: 600;
}

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

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

@keyframes slideInTop {
    from {
        opacity: 0;
        transform: translateY(-100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-close {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    margin-left: auto;
    opacity: 0.8;
    padding: 4px;
    border-radius: 2px;
}

.toast-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 20px;
    }

    .main-content {
        max-width: 480px;
    }

    .form-container, .success-container {
        padding: 32px 28px;
    }

    .header-text h1 {
        font-size: 2.2rem;
    }

    .header-text p {
        font-size: 1.1rem;
    }

    .logo img {
        max-width: 200px;
        max-height: 100px;
    }

    .form-header h2 {
        font-size: 1.7rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .loading-content {
        max-width: 400px;
        padding: 40px 32px;
    }

    .toast {
        right: 20px;
        left: auto;
        max-width: 400px;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .container {
        padding: 40px 20px;
    }

    .main-content {
        max-width: 520px;
    }

    .form-container, .success-container {
        padding: 40px 36px;
    }

    .header-text h1 {
        font-size: 2.8rem;
    }

    .header-text p {
        font-size: 1.2rem;
    }

    .logo img {
        max-width: 240px;
        max-height: 120px;
    }

    .form-header h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .submit-btn:hover:not(:disabled) {
        transform: translateY(-3px);
    }
}

/* Accessibility & Performance */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --border-color: #333;
        --text-light: #444;
    }
}

/* Focus styles for better accessibility */
input:focus,
button:focus,
a:focus,
.checkmark:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Touch improvements */
@media (hover: none) and (pointer: coarse) {
    .submit-btn:hover {
        transform: none;
    }

    .login-btn:hover {
        transform: none;
    }

    .password-toggle:hover {
        background: none;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }

    .loading-overlay,
    .toast {
        display: none;
    }
}