:root {
    --bg-color: #0f1115;
    --card-bg: rgba(23, 25, 33, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --text-primary: #f8f9fa;
    --text-secondary: #9ba1a6;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(16, 185, 129, 0.05), transparent 25%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), #818cf8);
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: 0 10px 20px -5px var(--primary-glow);
    color: white;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.header p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

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

input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px 130px 16px 20px;
    color: var(--text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

input:focus {
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

button#submit-btn {
    position: absolute;
    right: 6px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

button#submit-btn:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

button#submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: var(--text-secondary);
}

/* Status Area */
.status-area {
    margin-top: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    animation: fadeIn 0.3s ease;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Result Area */
.result-area {
    margin-top: 24px;
    animation: fadeIn 0.4s ease;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
}

.result-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--success-bg);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.3s ease;
}

.result-area.error .result-box {
    background: var(--error-bg);
    border-color: rgba(239, 68, 68, 0.2);
}

.result-area.error .result-header {
    color: var(--error);
}

code#result-text {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 15px;
    color: var(--text-primary);
    word-break: break-all;
    user-select: all;
}

.copy-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-left: 12px;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.copy-btn.copied {
    background: var(--success);
    color: white;
}

.hidden {
    display: none !important;
}

.footer {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    opacity: 0.8;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.text-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.text-btn:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
    padding: 20px;
}

.modal-content {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.02);
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}
.modal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.modal-body p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.modal-body h3 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.code-block {
    background: #000000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 13px;
    color: #e2e8f0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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