/**
 * EcoAuth Verifier - Frontend Styles
 * Professional, Clean, Trust-Building Theme
 */

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

:root {
    /* Primary Colors */
    --ecoauth-primary: #10B981; /* Emerald 500 */
    --ecoauth-primary-dark: #059669; /* Emerald 600 */
    --ecoauth-primary-light: #D1FAE5; /* Emerald 100 */
    
    /* Neutral Colors */
    --ecoauth-bg: #F9FAFB; /* Gray 50 */
    --ecoauth-surface: #FFFFFF;
    --ecoauth-text-main: #111827; /* Gray 900 */
    --ecoauth-text-muted: #6B7280; /* Gray 500 */
    --ecoauth-border: #E5E7EB; /* Gray 200 */
    
    /* State Colors */
    --ecoauth-success: #059669;
    --ecoauth-success-bg: #ECFDF5;
    --ecoauth-success-border: #A7F3D0;
    
    --ecoauth-error: #DC2626;
    --ecoauth-error-bg: #FEF2F2;
    --ecoauth-error-border: #FECACA;
    
    /* UI Elements */
    --ecoauth-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --ecoauth-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --ecoauth-radius: 12px;
    --ecoauth-radius-sm: 8px;
    --ecoauth-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ecoauth-container {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    max-width: 520px;
    margin: 40px auto;
    background: var(--ecoauth-surface);
    border-radius: var(--ecoauth-radius);
    box-shadow: var(--ecoauth-shadow-lg);
    border: 1px solid var(--ecoauth-border);
    overflow: hidden;
    position: relative;
    color: var(--ecoauth-text-main);
}

.ecoauth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--ecoauth-primary);
}

/* Header */
.ecoauth-header {
    text-align: center;
    padding: 40px 32px 24px;
    background: linear-gradient(to bottom, var(--ecoauth-bg), var(--ecoauth-surface));
}

.ecoauth-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--ecoauth-primary-light);
    color: var(--ecoauth-primary);
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.ecoauth-shield-icon {
    width: 32px;
    height: 32px;
    stroke: currentColor;
}

.ecoauth-title {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 700;
    color: var(--ecoauth-text-main);
    letter-spacing: -0.025em;
}

.ecoauth-subtitle {
    margin: 0;
    font-size: 15px;
    color: var(--ecoauth-text-muted);
    line-height: 1.5;
}

/* Form */
.ecoauth-form {
    padding: 16px 32px 40px;
}

.ecoauth-input-group {
    margin-bottom: 24px;
}

.ecoauth-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ecoauth-text-main);
}

.ecoauth-input-wrapper {
    position: relative;
}

.ecoauth-input {
    width: 100%;
    padding: 14px 44px 14px 16px;
    font-family: inherit;
    font-size: 16px;
    color: var(--ecoauth-text-main);
    background: var(--ecoauth-bg);
    border: 1px solid var(--ecoauth-border);
    border-radius: var(--ecoauth-radius-sm);
    transition: var(--ecoauth-transition);
    box-sizing: border-box;
    -webkit-appearance: none;
}

.ecoauth-input:focus {
    outline: none;
    border-color: var(--ecoauth-primary);
    background: var(--ecoauth-surface);
    box-shadow: 0 0 0 4px var(--ecoauth-primary-light);
}

.ecoauth-input::placeholder {
    color: var(--ecoauth-text-muted);
    opacity: 0.7;
}

.ecoauth-input-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--ecoauth-text-muted);
    pointer-events: none;
    transition: var(--ecoauth-transition);
}

.ecoauth-input:focus + .ecoauth-input-icon {
    color: var(--ecoauth-primary);
}

.ecoauth-submit-btn {
    width: 100%;
    padding: 14px 24px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: var(--ecoauth-primary);
    border: 1px solid transparent;
    border-radius: var(--ecoauth-radius-sm);
    cursor: pointer;
    transition: var(--ecoauth-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.ecoauth-submit-btn:hover {
    background: var(--ecoauth-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.ecoauth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: var(--ecoauth-text-muted);
}

/* Results */
.ecoauth-result {
    margin: 0 32px 40px;
    border-radius: var(--ecoauth-radius-sm);
    overflow: hidden;
    animation: ecoauth-slideUp 0.3s ease-out;
}

@keyframes ecoauth-slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ecoauth-result-invalid {
    background: var(--ecoauth-error-bg);
    border: 1px solid var(--ecoauth-error-border);
    padding: 24px;
    text-align: center;
    border-radius: var(--ecoauth-radius-sm);
}

.ecoauth-result-invalid .ecoauth-result-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    background: var(--ecoauth-error);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.ecoauth-result-invalid .ecoauth-result-title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--ecoauth-error);
}

.ecoauth-result-invalid .ecoauth-result-description {
    margin: 0;
    font-size: 14px;
    color: var(--ecoauth-text-muted);
    line-height: 1.5;
}

/* Valid Result */
.ecoauth-result-valid {
    background: var(--ecoauth-surface);
    border: 1px solid var(--ecoauth-success-border);
    border-radius: var(--ecoauth-radius-sm);
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.ecoauth-valid-header {
    background: var(--ecoauth-success-bg);
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--ecoauth-success-border);
}

.ecoauth-valid-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: white;
    border-radius: 100px;
    margin-bottom: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    color: var(--ecoauth-success);
    font-weight: 600;
    font-size: 13px;
}

.ecoauth-valid-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--ecoauth-success);
}

.ecoauth-product-card {
    padding: 20px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    border-bottom: 1px solid var(--ecoauth-border);
}

.ecoauth-product-image a {
    display: block;
    width: 80px;
    height: 80px;
    border-radius: var(--ecoauth-radius-sm);
    overflow: hidden;
    background: var(--ecoauth-bg);
}

.ecoauth-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ecoauth-product-info {
    flex: 1;
}

.ecoauth-product-name {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
}

.ecoauth-product-name a {
    color: var(--ecoauth-text-main);
    text-decoration: none;
}

.ecoauth-expiry {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ecoauth-text-muted);
    background: var(--ecoauth-bg);
    padding: 4px 10px;
    border-radius: 6px;
}

.ecoauth-expiry.expired {
    background: var(--ecoauth-error-bg);
    color: var(--ecoauth-error);
}

/* Accordion */
.ecoauth-accordion {
    border-bottom: 1px solid var(--ecoauth-border);
}

.ecoauth-accordion:last-child {
    border-bottom: none;
}

.ecoauth-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: transparent;
    border: none;
    width: 100%;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    color: var(--ecoauth-text-main);
}

.ecoauth-accordion-header:hover {
    background: var(--ecoauth-bg);
}

.ecoauth-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.ecoauth-accordion.active .ecoauth-accordion-content {
    max-height: 500px;
}

.ecoauth-accordion-body {
    padding: 0 20px 20px;
    font-size: 14px;
    color: var(--ecoauth-text-muted);
    line-height: 1.6;
}

@media screen and (max-width: 600px) {
    .ecoauth-container {
        margin: 20px 16px;
    }
    .ecoauth-header {
        padding: 32px 24px;
    }
    .ecoauth-form {
        padding: 16px 24px 32px;
    }
    .ecoauth-result {
        margin: 0 24px 32px;
    }
    .ecoauth-product-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}