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

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #22c55e;
    --error: #ef4444;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.container {
    width: 100%;
    max-width: 800px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.6s ease-out;
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.logo-container {
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.logo-container:hover {
    transform: scale(1.05);
}

.main-logo {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.3));
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

p.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 1rem;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    background: rgba(255, 255, 255, 0.02);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.upload-text {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-muted);
}

#fileInput {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.results-section {
    margin-top: 2rem;
    display: none;
    animation: slideUp 0.4s ease-out;
}

.status-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-card.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.status-card.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.status-card.warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.error-list {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    font-size: 0.9rem;
    overflow-x: auto;
    color: var(--text-main);
    list-style: none;
}

.error-list li.res-success {
    color: var(--success);
    border-left: 3px solid var(--success);
    padding-left: 1rem;
    margin-bottom: 0.5rem;
}

.error-list li.res-error {
    color: var(--error);
    border-left: 3px solid var(--error);
    padding-left: 1rem;
    margin-bottom: 0.5rem;
}

.error-list li ul {
    margin-top: 0.5rem;
    padding-left: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    list-style: disc;
}


.error-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.error-list li:last-child {
    border-bottom: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loader {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
    display: none;
    margin: 1rem auto;
}

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