/* Modern Tool Pages Design - All Steps */

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #EC4899;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --text-dark: #0F172A;
    --text-medium: #475569;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Container */
.tool-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 24px;
}

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 48px;
    padding: 24px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
}

.progress-step-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 3px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 12px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.progress-step.active .progress-step-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    transform: scale(1.1);
}

.progress-step.completed .progress-step-icon {
    background: var(--success);
    border-color: var(--success);
    color: var(--white);
}

.progress-step-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    text-align: center;
}

.progress-step.active .progress-step-label {
    color: var(--primary);
}

.progress-step.completed .progress-step-label {
    color: var(--success);
}

.progress-step-line {
    position: absolute;
    top: 30px;
    left: 50%;
    width: 100%;
    height: 3px;
    background: var(--border);
    z-index: 1;
}

.progress-step.completed .progress-step-line {
    background: var(--success);
}

.progress-step:last-child .progress-step-line {
    display: none;
}

/* Page Header */
.tool-header {
    text-align: center;
    margin-bottom: 40px;
}

.tool-header h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.tool-header h1 i {
    margin-right: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-header p {
    font-size: 18px;
    color: var(--text-medium);
}

/* Upload Box */
.upload-box {
    border: 3px dashed var(--border);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-box:hover {
    border-color: var(--primary);
    background: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.upload-box:hover::before {
    opacity: 1;
}

.upload-box.dragover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.upload-icon {
    font-size: 80px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.upload-box h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.upload-box p {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.btn-upload {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    position: relative;
    z-index: 1;
}

.btn-upload:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.upload-info {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

/* Info Cards */
.info-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.info-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.info-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.info-card-content {
    color: var(--text-medium);
    line-height: 1.7;
}

/* Stats Box */
.stats-box {
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    border-radius: 16px;
    padding: 24px;
    color: var(--white);
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
}

.stats-box strong {
    font-size: 18px;
    display: block;
    margin-bottom: 12px;
}

.stats-box-content {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 15px;
}

.stats-box-content span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Warning Box */
.warning-box {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border: 2px solid var(--warning);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.warning-box i {
    font-size: 24px;
    color: var(--warning);
}

.warning-box strong {
    color: #92400E;
}

/* File List */
.file-list {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
}

.file-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.file-list-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.file-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.file-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
    flex-shrink: 0;
}

.file-item-info {
    flex: 1;
}

.file-item-name {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.file-item-meta {
    font-size: 14px;
    color: var(--text-light);
}

.file-item-badge {
    padding: 6px 14px;
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
}

/* Format Grid */
.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.format-option {
    padding: 24px 16px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.format-option::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.format-option:hover {
    border-color: var(--primary);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.format-option.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(129, 140, 248, 0.1) 100%);
}

.format-option.selected::before {
    opacity: 0.05;
}

.format-icon {
    font-size: 48px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.format-option h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.format-option p {
    font-size: 13px;
    color: var(--text-medium);
    position: relative;
    z-index: 1;
}

/* Processing Box */
.processing-box {
    background: var(--white);
    border-radius: 20px;
    padding: 48px 32px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    margin: 24px 0;
}

.spinner-large {
    width: 80px;
    height: 80px;
    border: 6px solid var(--bg-light);
    border-top: 6px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 24px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.processing-box h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.processing-box p {
    font-size: 16px;
    color: var(--text-medium);
}

/* Success Box */
.success-box {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    border-radius: 20px;
    padding: 48px 32px;
    text-align: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    margin: 24px 0;
}

.success-icon {
    font-size: 80px;
    margin-bottom: 24px;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-box h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
}

.success-box p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-success {
    background: var(--white);
    color: var(--success);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* Features List */
.features-list {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 32px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-light);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-medium);
    font-weight: 500;
}

.feature-item i {
    color: var(--success);
    font-size: 18px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 10px;
    transition: width 0.3s ease;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .tool-container {
        padding: 24px 16px;
    }

    .tool-header h1 {
        font-size: 28px;
    }

    .progress-steps {
        padding: 16px;
    }

    .progress-step-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .progress-step-label {
        font-size: 12px;
    }

    .upload-box {
        padding: 40px 24px;
    }

    .upload-icon {
        font-size: 60px;
    }

    .format-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 12px;
    }

    .file-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .progress-steps {
        flex-direction: column;
        gap: 20px;
    }

    .progress-step-line {
        display: none;
    }

    .format-grid {
        grid-template-columns: 1fr;
    }
}