/* ==========================================
   BRIEF.CSS — Beyaz/Gri tema, index.html uyumlu
   ========================================== */

.brief-page {
    background: var(--color-white);
    min-height: 100vh;
}

/* ==========================================
   LAYOUT
   ========================================== */

.brief-main {
    display: grid;
    grid-template-columns: 360px 1fr;
    min-height: 100vh;
    padding-top: 65px;
}

/* ==========================================
   LEFT ASIDE — gri (index gray-100)
   ========================================== */

.brief-aside {
    background: var(--color-gray-100);
    border-right: 1px solid var(--color-gray-200);
    position: sticky;
    top: 65px;
    height: calc(100vh - 65px);
    overflow-y: auto;
    scrollbar-width: none;
}

.brief-aside::-webkit-scrollbar { display: none; }

.brief-aside-inner {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    min-height: 100%;
}

.brief-aside-top h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.1rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-black);
    margin: 0.75rem 0 1rem;
}

.brief-aside-top p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.65;
}

/* Step nav */
.step-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    opacity: 0.4;
    transition: opacity 0.3s ease;
}

.step-item.active { opacity: 1; }
.step-item.done   { opacity: 0.7; }

.step-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid var(--color-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
    background: var(--color-white);
}

.step-dot span {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-gray-400);
    transition: color 0.3s ease;
}

.step-item.active .step-dot {
    border-color: var(--color-accent);
    background: rgba(0,102,255,0.07);
}
.step-item.active .step-dot span { color: var(--color-accent); }

.step-item.done .step-dot {
    border-color: #16a34a;
    background: rgba(22,163,74,0.08);
}
.step-item.done .step-dot span { color: #16a34a; }

.step-text strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
}

.step-text small {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.step-line {
    width: 2px;
    height: 22px;
    background: var(--color-gray-300);
    margin-left: 16px;
}

.brief-aside-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
}

.brief-aside-footer p {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0.4rem;
}

.accent-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: opacity 0.2s;
}
.accent-link:hover { opacity: 0.75; }

/* ==========================================
   RIGHT FORM PANEL — beyaz
   ========================================== */

.brief-form-panel {
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem 2rem 6rem;
    overflow-y: auto;
}

.brief-form-inner {
    width: 100%;
    max-width: 700px;
}

/* Progress bar */
.progress-bar-wrap {
    height: 3px;
    background: var(--color-gray-200);
    border-radius: 2px;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 16.66%;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.progress-label span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

#stepName { color: var(--color-gray-500); }

/* ==========================================
   FORM STEPS
   ========================================== */

.form-step {
    display: none;
    animation: stepIn 0.35s ease forwards;
}
.form-step.active { display: block; }

@keyframes stepIn {
    from { opacity: 0; transform: translateX(18px); }
    to   { opacity: 1; transform: translateX(0); }
}

.step-heading { margin-bottom: 2rem; }

.step-heading h3 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.step-heading p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

/* ==========================================
   FIELD COMPONENTS
   ========================================== */

.field-group { margin-bottom: 1.5rem; }

.field-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.field-grid.two-col { grid-template-columns: 1fr 1fr; }

label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

.req { color: var(--color-accent); }

.optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--color-gray-400);
    font-size: 0.75rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
textarea {
    width: 100%;
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 10px;
    padding: 0.875rem 1.125rem;
    color: var(--color-black);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0,102,255,0.08);
}

input::placeholder, textarea::placeholder {
    color: var(--color-gray-300);
}

textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.6;
}

.field-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    margin-top: 0.4rem;
}

/* Radio pills */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.radio-pill {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 2rem;
    padding: 0.5rem 1.1rem;
    transition: all 0.2s ease;
}
.radio-pill input { display: none; }
.radio-pill:has(input:checked) {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(0,102,255,0.05);
}

/* Toggle chips */
.toggle-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.toggle-chip {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}
.toggle-chip input { display: none; }
.toggle-chip:has(input:checked) {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(0,102,255,0.05);
}

/* ==========================================
   CATEGORY ACCORDION — 3'lü yatay grid
   ========================================== */

.category-accordion {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
}

.cat-main-card {
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 12px;
    transition: all 0.3s ease;
    overflow: visible;
}

.cat-main-card.expanded {
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(0,102,255,0.12);
}

.cat-main-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.25rem 1.2rem;
    cursor: pointer;
    transition: background 0.2s ease;
    user-select: none;
    position: relative;
}

.cat-main-header:hover {
    background: var(--color-gray-100);
}

.cat-main-card.expanded .cat-main-header {
    background: rgba(0,102,255,0.03);
}

.cat-main-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--color-gray-500);
    flex-shrink: 0;
    transition: all 0.25s ease;
    font-weight: 700;
}

.cat-main-card.expanded .cat-main-icon {
    background: rgba(0,102,255,0.12);
    color: var(--color-accent);
}

.cat-main-text strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.2rem;
    line-height: 1.3;
}

.cat-main-text small {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    line-height: 1.4;
}

.cat-count-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(0,102,255,0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    margin-left: 0.4rem;
    transition: all 0.2s ease;
}

.cat-count-badge:empty {
    display: none;
}

.cat-expand-icon {
    position: absolute;
    top: 1.25rem;
    right: 1.2rem;
    font-size: 0.75rem;
    color: var(--color-gray-400);
    transition: transform 0.3s ease, color 0.3s ease;
}

.cat-main-card.expanded .cat-expand-icon {
    transform: rotate(180deg);
    color: var(--color-accent);
}

/* Alt kategoriler — dikey açılır */
.cat-sub-list {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--color-gray-100);
    border-top: 1px solid transparent;
}

.cat-main-card.expanded .cat-sub-list {
    max-height: 600px;
    border-top-color: var(--color-gray-200);
}

.cat-sub-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.2rem;
    cursor: pointer;
    transition: background 0.15s ease;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    border-bottom: 1px solid var(--color-gray-200);
}

.cat-sub-item:last-child {
    border-bottom: none;
}

.cat-sub-item:hover {
    background: rgba(255,255,255,0.6);
}

.cat-sub-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-accent);
    cursor: pointer;
    flex-shrink: 0;
}

.cat-sub-item span {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.4;
}

.cat-sub-item:has(input:checked) {
    background: rgba(0,102,255,0.05);
}

.cat-sub-item:has(input:checked) span {
    color: var(--color-black);
    font-weight: 500;
}

/* ==========================================
   BÜTÇE — sadece input girişi
   ========================================== */

.budget-input-wrap {
    position: relative;
}

.budget-input-wrap input {
    padding-right: 3.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.budget-currency-badge {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
}

.budget-min-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.6rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.budget-min-note span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-gray-200);
    color: var(--color-gray-500);
    font-size: 0.65rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* ==========================================
   SWITCH (Rush)
   ========================================== */

.switch-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.switch {
    position: relative;
    width: 48px;
    height: 26px;
    display: block;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
}
.switch input { display: none; }

.switch-slider {
    position: absolute;
    inset: 0;
    background: var(--color-gray-200);
    border-radius: 13px;
    transition: background 0.25s ease;
}

.switch-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    top: 3px;
    border-radius: 50%;
    background: var(--color-gray-400);
    transition: all 0.25s ease;
}

.switch input:checked + .switch-slider { background: var(--color-accent); }
.switch input:checked + .switch-slider::before {
    background: white;
    transform: translateX(22px);
}

.switch-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-500);
    transition: color 0.2s;
}
.switch-label.on { color: var(--color-accent); }

/* ==========================================
   UPLOAD ZONE
   ========================================== */

.upload-zone {
    border: 2px dashed var(--color-gray-200);
    border-radius: 14px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: var(--color-gray-100);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--color-accent);
    background: rgba(0,102,255,0.03);
}

.upload-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--color-gray-400);
    transition: all 0.25s ease;
}

.upload-zone:hover .upload-icon {
    border-color: var(--color-accent);
    background: rgba(0,102,255,0.06);
    color: var(--color-accent);
}

.upload-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: 0.25rem;
}

.upload-sub {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-bottom: 1rem;
}

.upload-btn {
    display: inline-block;
    padding: 0.625rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-bottom: 1rem;
    text-transform: none;
    letter-spacing: 0;
}
.upload-btn:hover { opacity: 0.85; }

.upload-types {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

/* File list */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 8px;
}

.file-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(0,102,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.file-item-name {
    flex: 1;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

.file-item-remove {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.1rem;
    line-height: 1;
    transition: color 0.2s;
}
.file-item-remove:hover { color: #dc2626; }

/* ==========================================
   PREVIEW STEP 6
   ========================================== */

.preview-grid {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.preview-block {
    background: var(--color-gray-100);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
}

.preview-block-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.preview-block-content {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}
.preview-block-content strong { color: var(--color-black); }

.preview-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.preview-tag {
    background: rgba(0,102,255,0.08);
    border: 1px solid rgba(0,102,255,0.2);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.28rem 0.75rem;
    border-radius: 2rem;
}

/* ==========================================
   KVKK
   ========================================== */

.kvkk-box {
    background: var(--color-gray-100);
    border: 1.5px solid var(--color-gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.kvkk-label {
    display: flex;
    gap: 1rem;
    cursor: pointer;
    align-items: flex-start;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    font-size: 0.875rem;
}

.kvkk-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.kvkk-text {
    color: var(--color-gray-600);
    line-height: 1.65;
}

.kvkk-text strong {
    color: var(--color-black);
    display: block;
    margin-bottom: 0.4rem;
}

/* ==========================================
   SUBMIT
   ========================================== */

.submit-area { text-align: center; }

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-black);
    color: white;
    padding: 1.1rem 3rem;
    border-radius: 3rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    border: 2px solid var(--color-black);
    transition: all 0.25s ease;
    letter-spacing: 0.01em;
}

.btn-submit:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0,102,255,0.2);
}

.submit-note {
    margin-top: 1rem;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

/* ==========================================
   FORM NAVIGATION
   ========================================== */

.form-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
}

.btn-back {
    background: none;
    border: 1.5px solid var(--color-gray-200);
    color: var(--color-gray-500);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-back:hover {
    border-color: var(--color-gray-400);
    color: var(--color-gray-700);
}

.btn-next {
    background: var(--color-black);
    border: none;
    color: var(--color-white);
    padding: 0.875rem 2rem;
    border-radius: 2rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all 0.25s ease;
}
.btn-next:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,102,255,0.2);
}

/* ==========================================
   SUCCESS STATE
   ========================================== */

.success-state {
    text-align: center;
    padding: 4rem 2rem;
}

.success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(22,163,74,0.08);
    border: 2px solid #16a34a;
    color: #16a34a;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-state h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.75rem;
}

.success-state p {
    color: var(--color-gray-600);
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* Shake animation */
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20%,60%  { transform: translateX(-6px); }
    40%,80%  { transform: translateX(6px); }
}
.shake { animation: shake 0.4s ease; }

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

@media (max-width: 1024px) {
    .brief-main { grid-template-columns: 280px 1fr; }
    .brief-aside-inner { padding: 2.5rem 1.75rem; }
    .category-accordion { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .brief-main { grid-template-columns: 1fr; }
    .brief-aside {
        position: relative;
        top: 0;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
    }
    .brief-aside-inner { padding: 2rem 1.5rem; gap: 1.5rem; }
    .step-nav, .brief-aside-footer { display: none; }
    .brief-form-panel { padding: 2rem 1.25rem 4rem; }
    .field-grid.two-col { grid-template-columns: 1fr; }
    .category-accordion { grid-template-columns: 1fr; }
}