/* =========================
   GENERAL STYLES
========================= */

:root {
    --bg: #0f0f0f;
    --card: #161616;
    --border: #262626;
    --text: #f5f5f5;
    --muted: #a1a1aa;
    --orange: #ff7a00;
    --green: #2ecc71;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

.container {
    width: min(1100px, 92%);
    margin-inline: auto;
}

/* =========================
   HEADER
========================= */

.header {
    border-bottom: 1px solid var(--border);
    background: rgba(15, 15, 15, .9);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.nav a {
    color: var(--text);
    margin-left: 16px;
    text-decoration: none;
    opacity: .9;
}

.nav a:hover {
    opacity: 1;
}

/* =========================
   BUTTONS
========================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff8a1f, #ff6a00);
    color: #111;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 14px rgba(255, 122, 0, 0.25),
                inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition: transform 0.15s ease,
                box-shadow 0.15s ease,
                filter 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
}

.btn:active {
    transform: translateY(0);
}

/* =========================
   CARD
========================= */

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}

/* =========================
   CLIENT UPLOAD PAGE
========================= */

.client-upload {
    padding: 60px 0 100px;
}

.client-upload h1 {
    font-size: 2rem;
    margin-bottom: 32px;
}

/* Card spacing */
.client-upload .card {
    margin-bottom: 28px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.35);
}

/* =========================
   TIMELINE
========================= */

.timeline {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.timeline-step {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    opacity: 0.7;
}

.timeline-step .dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #333;
}

/* Completed step */
.timeline-step.done {
    color: #22c55e;
    opacity: 1;
}

.timeline-step.done .dot {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    box-shadow: 0 0 0 4px rgba(34,197,94,0.2);
}

/* Current step */
.timeline-step.current {
    color: var(--orange);
    opacity: 1;
    font-weight: 700;
}

.timeline-step.current .dot {
    background: linear-gradient(135deg, #ff8a1f, #ff6a00);
    box-shadow: 0 0 0 4px rgba(255,122,0,0.25);
}

/* =========================
   UPLOAD FORM
========================= */

.client-upload form {
    margin-top: 10px;
}

/* Labels */
.client-upload form label {
    display: block;
    margin-top: 22px;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--muted);
}

/* Inputs & Textareas */
.client-upload input,
.client-upload textarea {
    width: 100%;
    background: #0f0f0f;
    border: 1px solid #1f1f1f;
    padding: 15px 18px;
    border-radius: 16px;
    font-size: 0.95rem;
    color: var(--text);
    transition: all 0.25s ease;
    box-shadow: inset 0 2px 6px rgba(0,0,0,0.4);
}

.client-upload textarea {
    min-height: 130px;
    resize: vertical;
}

/* Hover */
.client-upload input:hover,
.client-upload textarea:hover {
    border-color: #2a2a2a;
}

/* Focus */
.client-upload input:focus,
.client-upload textarea:focus {
    outline: none;
    border-color: rgba(255,122,0,0.6);
    box-shadow:
        0 0 0 4px rgba(255,122,0,0.15),
        inset 0 2px 8px rgba(0,0,0,0.5);
}

/* Date */
.client-upload input[type="date"] {
    color-scheme: dark;
}

/* File input */
.client-upload input[type="file"] {
    background: #111;
    padding: 14px;
    border-radius: 14px;
}

/* File button */
.client-upload input[type="file"]::file-selector-button {
    background: linear-gradient(135deg, #ff8a1f, #ff6a00);
    border: none;
    padding: 8px 14px;
    border-radius: 10px;
    color: #111;
    font-weight: 600;
    cursor: pointer;
    margin-right: 12px;
}

.client-upload .btn {
    margin-top: 28px;
}

/* =========================
   CHECKBOX GROUP
========================= */

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px 18px;
    margin-bottom: 16px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-item input[type="checkbox"] {
    accent-color: var(--orange);
    width: auto;
}

/* =========================
   SUCCESS MESSAGE
========================= */

.success {
    display: inline-block;
    background: rgba(46,204,113,0.15);
    border-left: 4px solid var(--green);
    padding: 10px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 600;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 768px) {
    .client-upload .card {
        padding: 22px;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }
}