/* PDF Translator by Parra Labs — Modern UI */
:root {
    --pdft-primary: #6366f1;
    --pdft-primary-dark: #4f46e5;
    --pdft-success: #10b981;
    --pdft-error: #ef4444;
    --pdft-bg: #f8fafc;
    --pdft-card: #ffffff;
    --pdft-border: #e2e8f0;
    --pdft-text: #1e293b;
    --pdft-muted: #64748b;
    --pdft-radius: 16px;
    --pdft-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

.pdft-container {
    max-width: 720px;
    margin: 2.5rem auto;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--pdft-text);
}

.pdft-header { text-align: center; margin-bottom: 2.5rem; }
.pdft-title { font-size: 2rem; font-weight: 700; margin: 0 0 0.75rem; line-height: 1.3; }
.pdft-subtitle { font-size: 1.05rem; color: var(--pdft-muted); margin: 0; }

.pdft-section {
    background: var(--pdft-card);
    border-radius: var(--pdft-radius);
    padding: 2.5rem;
    box-shadow: var(--pdft-shadow);
}

/* Dropzone */
.pdft-dropzone {
    border: 2px dashed var(--pdft-border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.pdft-dropzone:hover, .pdft-dragover {
    border-color: var(--pdft-primary);
    background: #eef2ff;
}
.pdft-icon { width: 56px; height: 56px; color: var(--pdft-primary); margin-bottom: 1rem; }
.pdft-drop-text { margin: 0.5rem 0 0; font-size: 1rem; }
.pdft-link { color: var(--pdft-primary); font-weight: 600; cursor: pointer; }
.pdft-drop-hint { font-size: 0.85rem; color: var(--pdft-muted); margin: 0.25rem 0 0; }

/* File info */
.pdft-file-info { display: flex; margin-bottom: 1.5rem; }
.pdft-file-badge {
    display: flex; align-items: center; gap: 0.75rem;
    background: #f1f5f9; border-radius: 10px; padding: 0.75rem 1rem; width: 100%;
}
.pdft-file-icon { font-size: 1.5rem; }
.pdft-file-details { flex: 1; display: flex; flex-direction: column; }
.pdft-file-name { font-weight: 600; font-size: 0.9rem; }
.pdft-file-size { font-size: 0.8rem; color: var(--pdft-muted); }
.pdft-file-remove {
    background: none; border: none; font-size: 1.5rem; cursor: pointer;
    color: var(--pdft-muted); line-height: 1;
}
.pdft-file-remove:hover { color: var(--pdft-error); }

/* Tier cards */
.pdft-field { margin-bottom: 1.5rem; }
.pdft-label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.6rem; }
.pdft-tier-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.75rem; }
.pdft-tier-card {
    position: relative; cursor: pointer;
}
.pdft-tier-card input { position: absolute; opacity: 0; }
.pdft-tier-content {
    display: flex; flex-direction: column; align-items: center;
    padding: 1rem 0.5rem; border: 2px solid var(--pdft-border);
    border-radius: 10px; transition: all 0.2s; text-align: center;
}
.pdft-tier-card input:checked + .pdft-tier-content {
    border-color: var(--pdft-primary); background: #eef2ff;
}
.pdft-tier-name { font-weight: 700; font-size: 0.85rem; }
.pdft-tier-desc { font-size: 0.75rem; color: var(--pdft-muted); margin-top: 2px; }

/* Ultra tier special style */
.pdft-tier-ultra .pdft-tier-content {
    border-color: #d4af37; background: linear-gradient(135deg, #fffdf5, #fef9e7);
}
.pdft-tier-ultra input:checked + .pdft-tier-content {
    border-color: #b8860b; background: linear-gradient(135deg, #fef3c7, #fde68a);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}
.pdft-tier-ultra .pdft-tier-name { color: #92400e; }

/* Row / selects */
.pdft-row { display: flex; gap: 1.25rem; }
.pdft-half { flex: 1; }
.pdft-select {
    width: 100%; padding: 0.75rem 1rem; border: 1.5px solid var(--pdft-border);
    border-radius: 8px; font-size: 0.95rem; background: white; appearance: none;
}

/* Options */
.pdft-options { margin: 1.25rem 0; display: flex; flex-direction: column; gap: 0.6rem; }
.pdft-checkbox { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9rem; cursor: pointer; }
.pdft-checkbox input { width: 18px; height: 18px; accent-color: var(--pdft-primary); }

/* Coupon Code */
.pdft-coupon-field { margin-top: 1.25rem; }
.pdft-coupon-row { display: flex; gap: 0.5rem; }
.pdft-input {
    flex: 1; padding: 0.75rem 1rem; border: 1.5px solid var(--pdft-border);
    border-radius: 8px; font-size: 0.95rem; font-family: monospace;
    text-transform: uppercase; letter-spacing: 1px;
}
.pdft-input:focus { outline: none; border-color: var(--pdft-primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
.pdft-input.pdft-input-valid { border-color: var(--pdft-success); background: #ecfdf5; }
.pdft-input.pdft-input-invalid { border-color: var(--pdft-error); background: #fef2f2; }
.pdft-coupon-btn {
    padding: 0.75rem 1.25rem; border: none; border-radius: 8px;
    background: var(--pdft-primary); color: white; font-weight: 600;
    font-size: 0.85rem; cursor: pointer; white-space: nowrap;
    transition: background 0.2s;
}
.pdft-coupon-btn:hover { background: var(--pdft-primary-dark); }
.pdft-coupon-btn:disabled { background: #cbd5e1; cursor: not-allowed; }
.pdft-coupon-msg {
    margin: 0.4rem 0 0; font-size: 0.8rem; min-height: 1.2rem;
}
.pdft-coupon-msg.pdft-msg-success { color: var(--pdft-success); font-weight: 600; }
.pdft-coupon-msg.pdft-msg-error { color: var(--pdft-error); font-weight: 600; }
.pdft-coupon-info {
    margin: 0.6rem 0 0; font-size: 0.8rem; color: var(--pdft-muted);
    line-height: 1.4; background: #fffbeb; border: 1px solid #fde68a;
    border-radius: 8px; padding: 0.6rem 0.9rem;
}
.pdft-coupon-info a { color: var(--pdft-primary); text-decoration: none; font-weight: 600; }
.pdft-coupon-info a:hover { text-decoration: underline; }

/* Submit button */
.pdft-submit {
    width: 100%; padding: 1rem; border: none; border-radius: 10px;
    background: var(--pdft-primary); color: white; font-size: 1.1rem; font-weight: 700;
    cursor: pointer; transition: background 0.2s, transform 0.1s;
    margin-top: 0.75rem;
}
.pdft-submit:hover:not(:disabled) { background: var(--pdft-primary-dark); transform: translateY(-1px); }
.pdft-submit:disabled { background: #cbd5e1; cursor: not-allowed; }

/* Progress ring — modern glow animation */
#pdft-progress-section { flex-direction: column; align-items: center; padding: 3rem 2rem; }
.pdft-progress-ring-container {
    position: relative; width: 160px; height: 160px; margin-bottom: 1.5rem;
}
.pdft-progress-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.pdft-progress-ring-bg { fill: none; stroke: #e2e8f0; stroke-width: 6; }
.pdft-progress-ring-fill {
    fill: none; stroke: url(#pdft-gradient); stroke-width: 7;
    stroke-linecap: round; transition: stroke-dashoffset 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.5));
}
.pdft-progress-ring-glow {
    fill: none; stroke: var(--pdft-primary); stroke-width: 7;
    stroke-linecap: round; stroke-dasharray: 40 280;
    opacity: 0.3; animation: pdft-ring-spin 2.5s linear infinite;
}
@keyframes pdft-ring-spin {
    0% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -326; }
}
.pdft-progress-ring-container::after {
    content: ''; position: absolute; inset: -4px;
    border-radius: 50%; border: 2px solid transparent;
    border-top-color: rgba(99, 102, 241, 0.2);
    animation: pdft-outer-spin 3s linear infinite;
}
@keyframes pdft-outer-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.pdft-progress-text {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    display: flex; align-items: baseline;
}
.pdft-progress-number { font-size: 2.75rem; font-weight: 800; color: var(--pdft-primary); }
.pdft-progress-symbol { font-size: 1.1rem; font-weight: 600; color: var(--pdft-muted); margin-left: 2px; }

.pdft-progress-details { text-align: center; }
.pdft-phase { font-size: 1rem; font-weight: 600; margin: 0 0 0.25rem; }
.pdft-model-badge {
    display: inline-block; margin: 0.4rem 0;
    padding: 0.3rem 0.9rem; border-radius: 20px;
    background: linear-gradient(135deg, #eef2ff, #ede9fe);
    border: 1px solid rgba(99, 102, 241, 0.2);
    font-size: 0.8rem; font-weight: 600; color: #6366f1;
    letter-spacing: 0.3px;
}
.pdft-pages, .pdft-time { font-size: 0.85rem; color: var(--pdft-muted); margin: 0.15rem 0; }

/* Wisdom quotes */
.pdft-wisdom {
    margin-top: 1.5rem; text-align: center; max-width: 420px;
    min-height: 4.5rem; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
}
.pdft-wisdom-text {
    font-size: 0.95rem; color: var(--pdft-text); font-style: italic;
    line-height: 1.5; opacity: 1;
    transition: opacity 0.4s ease-in-out;
}
.pdft-wisdom-text.pdft-fade-out { opacity: 0; }
.pdft-wisdom-category {
    font-size: 0.7rem; color: var(--pdft-primary); font-weight: 600;
    text-transform: uppercase; letter-spacing: 1px; margin-top: 0.5rem;
}

/* Complete */
#pdft-complete-section { flex-direction: column; align-items: center; padding: 3rem 2rem; }
.pdft-success-icon { font-size: 3rem; margin-bottom: 1rem; }
.pdft-complete-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 1rem; }
.pdft-complete-details { text-align: center; margin-bottom: 1.5rem; }
.pdft-complete-details p { margin: 0.25rem 0; font-size: 0.9rem; color: var(--pdft-muted); }
.pdft-download-btn {
    display: inline-block; padding: 0.9rem 2rem; background: var(--pdft-success);
    color: white; text-decoration: none; border-radius: 10px; font-weight: 700;
    font-size: 1rem; transition: background 0.2s;
}
.pdft-download-btn:hover { background: #059669; color: white; }
.pdft-new-btn {
    margin-top: 1rem; background: none; border: 1.5px solid var(--pdft-border);
    padding: 0.6rem 1.5rem; border-radius: 8px; cursor: pointer; font-size: 0.85rem;
    color: var(--pdft-muted); transition: border-color 0.2s;
}
.pdft-new-btn:hover { border-color: var(--pdft-primary); color: var(--pdft-primary); }

/* Error */
#pdft-error-section { flex-direction: column; align-items: center; padding: 3rem 2rem; }
.pdft-error-icon { font-size: 3rem; margin-bottom: 1rem; }
.pdft-error-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.5rem; color: var(--pdft-error); }
.pdft-error-msg { font-size: 0.9rem; color: var(--pdft-muted); text-align: center; margin-bottom: 1.5rem; }

/* Footer */
.pdft-footer {
    text-align: center; margin-top: 1.5rem; font-size: 0.75rem; color: var(--pdft-muted);
}
.pdft-footer a { color: var(--pdft-primary); text-decoration: none; }

/* Responsive */
@media (max-width: 768px) {
    .pdft-container { margin: 1rem; max-width: 100%; }
    .pdft-section { padding: 1.75rem; }
    .pdft-tier-grid { grid-template-columns: repeat(2, 1fr); }
    .pdft-row { flex-direction: column; gap: 0; }
    .pdft-title { font-size: 1.5rem; }
}