@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

html {
    font-size: 92%;
    /* Effect de "zoom out" global */
}

:root {
    --bg-color: #030712;
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #10b981;
    --accent: #8b5cf6;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --radius-xl: 32px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 35%),
        radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.1) 0%, transparent 35%);
    min-height: 100vh;
}

body.light-mode {
    --bg-color: #f0f4f8;
    --text-main: #1a202c;
    --text-muted: #718096;
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(0, 0, 0, 0.08);
    background-image:
        radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.06) 0%, transparent 40%);
}

body.light-mode .glass-panel {
    background: rgba(255, 255, 255, 0.65);
    box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.08);
}

body.light-mode .glass-header {
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.container {
    max-width: 1200px;
    /* Plus compact */
    margin: 0 auto;
    padding: 0 1.5rem;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
    padding: 1.5rem;
    /* Réduit */
}

.glass-header {
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 4px;
}

.brand-logo h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 0;
    line-height: 1;
}

.brand-logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: white;
    box-shadow: 0 10px 25px -5px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 30px -10px var(--primary-glow);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
}

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

.main-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    padding: 4rem 0;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

.visual-panel h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 20px;
    padding: 3rem 1.5rem;
    /* Plus compact */
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
    text-align: center;
}

.upload-zone:hover {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.08);
}

.upload-btn-main {
    width: 100%;
    margin-top: 2rem;
    padding: 0.8rem 1.8rem;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--primary), #2563eb);
    color: white;
    border-radius: 16px;
    cursor: pointer;
    border: none;
    font-weight: 600;
    font-family: inherit;
    box-shadow: 0 10px 25px -5px var(--primary-glow);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    z-index: 2;
}

.upload-btn-main:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 30px -10px var(--primary-glow);
}

.upload-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    filter: grayscale(1);
    transition: 0.3s;
}

.upload-zone:hover .upload-icon {
    filter: grayscale(0) scale(1.1);
}

input[type="text"] {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    width: 100%;
    font-size: 1rem;
}

.chatbot-mock {
    display: flex;
    flex-direction: column;
    min-height: 500px;
    padding: 0 !important;
    overflow: hidden;
}

.chat-header {
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--glass-border);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-body {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.msg {
    max-width: 85%;
    padding: 1.2rem 1.5rem;
    border-radius: 20px;
    font-size: 0.95rem;
    animation: slideIn 0.4s ease-out;
}

.msg-bot {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
}

.msg-user {
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
    align-self: flex-end;
}

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

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

.history-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.data-card {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

progress-ring {
    transition: stroke-dashoffset 0.35s;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
}

/* Custom file upload button - hide native input, style the label */
.custom-file-upload {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    cursor: pointer;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 12px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition-smooth);
    font-family: inherit;
    font-size: 0.95rem;
}

.custom-file-upload:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.custom-file-upload input[type="file"] {
    display: none; /* Hide the native browser file picker */
}

/* Form group styling for result page */
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    background: rgba(0,0,0,0.2);
    color: var(--text-main);
    font-size: 0.95rem;
    font-family: inherit;
}

.form-group input[type="text"]:focus {
    border-color: var(--primary);
    outline: none;
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.form-row .flex-2 {
    flex: 2;
}

.modern-form {
    padding: 1.5rem 0;
}

.highlight-label {
    color: var(--secondary) !important;
}

.amount-input {
    font-size: 1.2rem !important;
    font-weight: 700 !important;
    color: #10b981 !important;
}

.font-mono {
    font-family: monospace !important;
    font-size: 0.85rem !important;
}