body.bg-app {
    background: radial-gradient(circle at top, #0b1728 0, #020712 55%, #01030a 100%);
    color: #e9f2ff;
    min-height: 100vh;
}

.bg-navbar {
    background: linear-gradient(90deg, #020712, #041527);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: 0.03em;
}

.navbar-brand span {
    color: #00e27f;
}

/* Cards */
.card-module {
    background: radial-gradient(circle at top left, rgba(0, 226, 127, 0.12), rgba(2, 7, 18, 0.98));
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
}

.card-module:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.7);
    border-color: rgba(0, 226, 127, 0.4);
}

/* Soft button */
.btn-soft-success {
    background: linear-gradient(135deg, #00e27f, #05c16a);
    border: none;
    color: #041017;
    font-weight: 600;
    box-shadow: 0 0 18px rgba(0, 226, 127, 0.3);
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
}

.btn-soft-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 26px rgba(0, 226, 127, 0.45);
    color: #041017;
}

.btn-soft-success:active {
    transform: translateY(0);
    box-shadow: 0 0 10px rgba(0, 226, 127, 0.3);
}

/* Section title */
.section-title {
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(168, 190, 210, 0.9);
}

/* Progress bar */
.progress-bar-app {
    width: 100%;
    background: rgba(9, 18, 35, 0.9);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.progress-bar-app-inner {
    height: 8px;
    background: linear-gradient(90deg, #00e27f, #05baf2);
    border-radius: 999px;
}

/* Animations */
.floating {
    animation: floatingAnim 5s ease-in-out infinite;
}

@keyframes floatingAnim {
    0% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
    100% { transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 0.4s ease-out both;
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(8px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Checklist */
.checklist-group .check-item {
    display: flex;
    align-items: flex-start;
    padding: 0.55rem 0.6rem;
    border-radius: 10px;
    background: rgba(5, 10, 25, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.04);
    margin-bottom: 0.35rem;
    transition: background 0.18s ease-out, border-color 0.18s ease-out, transform 0.12s ease-out;
    font-size: 0.9rem;
}

.checklist-group .check-item:hover {
    background: rgba(9, 18, 40, 0.95);
    border-color: rgba(0, 226, 127, 0.4);
    transform: translateY(-1px);
}

.checklist-group input[type="checkbox"] {
    margin-right: 0.6rem;
    accent-color: #00e27f;
}

/* Resources list */
.resources-list .resource-item {
    padding: 0.55rem 0.6rem;
    border-radius: 10px;
    background: rgba(5, 10, 25, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.04);
    margin-bottom: 0.4rem;
    transition: background 0.18s ease-out, border-color 0.18s ease-out, transform 0.12s ease-out;
}

.resources-list .resource-item:hover {
    background: rgba(9, 18, 40, 0.98);
    border-color: rgba(0, 226, 127, 0.4);
    transform: translateY(-1px);
}

/* Timeline horizontal */
.timeline-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-horizontal::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 4%;
    right: 4%;
    height: 2px;
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-50%);
}

.timeline-horizontal .step {
    position: relative;
    text-align: center;
    z-index: 1;
}

.timeline-horizontal .dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4);
    background: #020712;
    margin: 0 auto 4px;
}

.timeline-horizontal .step.active .dot {
    background: #00e27f;
    border-color: #00e27f;
    box-shadow: 0 0 10px rgba(0, 226, 127, 0.6);
}

.timeline-horizontal .label {
    font-size: 0.75rem;
    color: #a8bed2;
}

/* Chat IA */
.chat-container {
    min-height: 420px;
}

.chat-messages {
    max-height: 420px;
    overflow-y: auto;
}

.chat-message {
    display: flex;
    margin-bottom: 0.7rem;
}

.chat-message .bubble {
    padding: 0.55rem 0.8rem;
    border-radius: 14px;
    font-size: 0.86rem;
    max-width: 90%;
    backdrop-filter: blur(4px);
    box-shadow: 0 0 14px rgba(0, 0, 0, 0.35);
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.user .bubble {
    background: linear-gradient(135deg, #00d27a, #06c36a);
    color: #041017;
    border-bottom-right-radius: 4px;
}

.chat-message.bot .bubble {
    background: rgba(8, 16, 35, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom-left-radius: 4px;
}

/* Footer */
.footer-app {
    padding: 0.75rem 0;
    font-size: 0.8rem;
    color: #7788a5;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(2, 7, 18, 0.98);
}


/* Amélioration lisibilité textes */
.text-muted {
    color: rgba(210, 225, 240, 0.9) !important;
}

.small.text-muted {
    color: rgba(195, 210, 230, 0.9) !important;
}