/* ═══════════════════════════════════════════════════════════
   DUNA AUTH & DASHBOARD — Minimal B&W
═══════════════════════════════════════════════════════════ */

:root {
    --duna-bg:       #000000;
    --duna-surface:  #0d0d0d;
    --duna-border:   #222222;
    --duna-border-lt:#2e2e2e;
    --duna-text:     #ffffff;
    --duna-muted:    #666666;
    --duna-muted-lt: #999999;
    --duna-error:    #ff4444;
    --duna-success:  #44bb77;
    --duna-radius:   100px;
    --duna-radius-lg:100px;
    --duna-trans:    0.25s ease;
}

.duna-auth-wrap *,
.duna-dashboard * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ═══════════════════════════════════════════════════════════
   AUTH WRAP
═══════════════════════════════════════════════════════════ */
.duna-auth-wrap {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--duna-bg);
    padding: 24px 20px 32px;
    overflow: hidden;
    font-family: 'Trebuchet MS', 'Segoe UI', Arial, sans-serif;
    color: var(--duna-text);
}

.duna-auth-logo {
    margin-bottom: 12px;
    text-align: center;
}
.duna-auth-logo img {
    max-height: 120px;
    width: auto;
    display: block;
    margin: 0 auto;
    filter: brightness(0) invert(1);
}

/* Toggle */
.duna-toggle-wrap {
    position: relative;
    display: flex;
    border: 1px solid var(--duna-border);
    border-radius: 100px;
    padding: 3px;
    margin-bottom: 28px;
    width: 100%;
    max-width: 400px;
    background: var(--duna-surface);
}
.duna-toggle-btn {
    position: relative;
    z-index: 1;
    flex: 1;
    background: transparent;
    border: none;
    color: var(--duna-muted);
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 10px 16px;
    border-radius: 100px;
    cursor: pointer;
    transition: color var(--duna-trans);
}
.duna-toggle-btn.active { color: #000000; }
.duna-toggle-indicator {
    position: absolute;
    top: 3px; left: 3px;
    width: calc(50% - 3px);
    height: calc(100% - 6px);
    background: #ffffff;
    border-radius: 100px;
    transition: transform 0.25s ease;
}
.duna-toggle-wrap[data-active="register"] .duna-toggle-indicator {
    transform: translateX(100%);
}

/* Feedback */
.duna-feedback {
    width: 100%;
    max-width: 400px;
    font-size: 12px;
    letter-spacing: 0.03em;
    border-radius: var(--duna-radius);
    transition: all 0.25s;
    min-height: 0;
    overflow: hidden;
}
.duna-feedback:not(:empty) { padding: 10px 14px; margin-bottom: 14px; }
.duna-feedback.is-error   { background: rgba(255,68,68,0.06); border: 1px solid rgba(255,68,68,0.25); color: #ff7070; }
.duna-feedback.is-success { background: rgba(68,187,119,0.06); border: 1px solid rgba(68,187,119,0.25); color: #66cc99; }

/* Form wrapper */
.duna-form-wrap {
    position: relative;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    background-color: rgb(255 255 255 / 6%);
    border-radius: 28px;
    padding: 24px;
}

/* Forms */
.duna-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    opacity: 0;
    transform: translateX(20px);
    pointer-events: none;
    position: absolute;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.duna-form--login   { transform: translateX(-20px); }
.duna-form--register { transform: translateX(20px); }
.duna-form.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

/* Field */
.duna-field { display: flex; flex-direction: column; gap: 8px; }
.duna-field label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--duna-muted-lt);
}
.duna-optional { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--duna-muted); }

.duna-field input[type="text"],
.duna-field input[type="email"],
.duna-field input[type="password"],
.duna-field input[type="tel"] {
    background: transparent;
    border: 1px solid var(--duna-border);
    border-radius: var(--duna-radius);
    color: var(--duna-text);
    font-family: inherit;
    font-size: 14px;
    padding: 12px 14px;
    width: 100%;
    transition: border-color 0.25s;
    outline: none;
    -webkit-appearance: none;
}
.duna-field input::placeholder { color: #333; }
.duna-field input:focus        { border-color: #555; }
.duna-field input.is-error     { border-color: var(--duna-error); }
.duna-field input.is-valid     { border-color: #444; }

.duna-field-pw { position: relative; display: flex; align-items: center; }
.duna-field-pw input { padding-right: 44px; }
.duna-pw-toggle {
    position: absolute; right: 12px;
    background: none; border: none; cursor: pointer;
    color: var(--duna-muted); padding: 4px; display: flex;
    transition: color 0.25s;
}
.duna-pw-toggle:hover { color: #fff; }
.duna-pw-toggle svg   { width: 16px; height: 16px; }

.duna-fields-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.duna-field--row { flex-direction: row; align-items: center; justify-content: space-between; }

.duna-checkbox {
    display: flex; align-items: center; gap: 10px;
    cursor: pointer; font-size: 12px; color: var(--duna-muted);
    user-select: none; letter-spacing: 0.04em;
}
.duna-checkbox input[type="checkbox"] { display: none; }
.duna-checkbox-mark {
    width: 15px; height: 15px;
    border: 1px solid var(--duna-border-lt); border-radius: 2px;
    background: transparent; flex-shrink: 0; position: relative;
    transition: background 0.25s, border-color 0.25s;
}
.duna-checkbox input:checked ~ .duna-checkbox-mark { background: #fff; border-color: #fff; }
.duna-checkbox-mark::after {
    content: ''; position: absolute; top: 2px; left: 4px;
    width: 4px; height: 8px;
    border: 1.5px solid #000; border-top: none; border-left: none;
    transform: rotate(45deg) scale(0); transition: transform 0.2s;
}
.duna-checkbox input:checked ~ .duna-checkbox-mark::after { transform: rotate(45deg) scale(1); }

.duna-link { color: var(--duna-muted-lt); text-decoration: none; font-size: 12px; letter-spacing: 0.04em; transition: color 0.25s; }
.duna-link:hover { color: #fff; }

/* Buttons */
.duna-btn {
    position: relative; display: inline-flex; align-items: center;
    justify-content: center; gap: 10px; width: 100%;
    padding: 14px 24px; font-family: inherit; font-size: 11px;
    font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
    border-radius: var(--duna-radius); cursor: pointer;
    transition: all 0.25s ease; overflow: hidden;
}
.duna-btn--primary { background: #fff; color: #000; border: 1px solid #fff; }
.duna-btn--primary:hover { background: transparent; color: #fff; }
.duna-btn--primary:disabled { opacity: 0.35; cursor: not-allowed; }

.duna-btn-loader {
    display: none; width: 14px; height: 14px;
    border: 1.5px solid rgba(0,0,0,0.2); border-top-color: #000;
    border-radius: 50%; animation: duna-spin 0.7s linear infinite;
}
.duna-btn--primary:hover .duna-btn-loader { border-color: rgba(255,255,255,0.2); border-top-color: #fff; }
.duna-btn.is-loading .duna-btn-text   { opacity: 0; }
.duna-btn.is-loading .duna-btn-loader { display: block; }

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

/* ═══════════════════════════════════════════════════════════
   DASHBOARD
═══════════════════════════════════════════════════════════ */
.duna-dashboard {
    min-height: 100vh;
    background: var(--duna-bg);
    font-family: 'Trebuchet MS', 'Segoe UI', Arial, sans-serif;
    color: var(--duna-text);
    display: flex;
    flex-direction: column;
}

.duna-dash-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 48px;
    border-bottom: 1px solid var(--duna-border);
    background: var(--duna-bg);
    position: sticky; top: 0; z-index: 100;
    gap: 24px;
}
.duna-dash-header-left { display: flex; align-items: center; gap: 24px; }
.duna-dash-header-divider { width: 1px; height: 40px; background: var(--duna-border); flex-shrink: 0; }
.duna-dash-logo img { max-height: 64px; width: auto; display: block; }
.duna-dash-welcome { display: flex; flex-direction: column; gap: 2px; }
.duna-dash-welcome h1 { font-size: 16px; font-weight: 300; letter-spacing: 0.06em; text-transform: uppercase; }
.duna-dash-welcome h1 span { font-weight: 700; }
.duna-dash-welcome p { color: var(--duna-muted); font-size: 11px; letter-spacing: 0.05em; }

.duna-dash-user { display: flex; align-items: center; gap: 16px; }
.duna-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: #1a1a1a; border: 1px solid var(--duna-border-lt);
    color: var(--duna-muted-lt); font-size: 12px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    letter-spacing: 0.05em; flex-shrink: 0;
}
.duna-dash-user-info { display: flex; flex-direction: column; gap: 2px; }
.duna-dash-name  { font-size: 13px; font-weight: 600; letter-spacing: 0.03em; }
.duna-dash-email { font-size: 11px; color: var(--duna-muted); letter-spacing: 0.02em; }

.duna-logout-btn {
    background: none; border: 1px solid var(--duna-border);
    border-radius: var(--duna-radius); color: var(--duna-muted);
    cursor: pointer; padding: 7px; display: flex; align-items: center;
    transition: all 0.25s;
}
.duna-logout-btn svg   { width: 16px; height: 16px; }
.duna-logout-btn:hover { border-color: #444; color: #fff; }

.duna-dash-main {
    flex: 1; max-width: 860px; width: 100%;
    margin: 0 auto; padding: 24px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding-bottom: 80px;
}

/* Payment card */
.duna-payment-card {
    border: none;
    border-radius: 24px;
    overflow: hidden;
    background: rgb(255 255 255 / 4%);
    width: 100%;
    max-width: 560px;
}
.duna-payment-card-inner {
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.duna-payment-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    color: #fff; margin-bottom: 20px;
}
.duna-payment-icon svg { width: 28px; height: 28px; }
.duna-payment-card-inner h2 {
    font-size: 22px; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    margin-bottom: 10px;
}
.duna-payment-card-inner p {
    font-size: 13px; color: var(--duna-muted);
    line-height: 1.65; letter-spacing: 0.02em;
    max-width: 380px; margin-bottom: 32px;
}
.duna-payment-trust {
    display: flex; align-items: center; gap: 8px;
    color: var(--duna-muted); font-size: 10px;
    letter-spacing: 0.1em; text-transform: uppercase;
    margin-top: 14px;
}
.duna-trust-sep { color: #444; }

.duna-btn--payment {
    background: #ffffff; color: #000000; border: none;
    font-size: 12px; letter-spacing: 0.2em;
    padding: 18px 36px; width: auto; transition: all 0.25s;
    display: inline-flex; align-items: center; gap: 10px;
    font-family: inherit; font-weight: 700; text-transform: uppercase;
    border-radius: 100px; cursor: pointer;
    box-shadow: 0 0 40px rgba(255,255,255,0.15);
}
.duna-btn--payment svg { width: 16px; height: 16px; }
.duna-btn--payment:hover {
    background: transparent; color: #fff;
    outline: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 40px rgba(255,255,255,0.06);
}

/* ═══════════════════════════════════════════════════════════
   RESET PASSWORD
═══════════════════════════════════════════════════════════ */
.duna-reset-header { margin-bottom: 24px; text-align: center; }
.duna-reset-header h2 {
    font-size: 18px; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
    margin-bottom: 8px;
}
.duna-reset-header p { font-size: 13px; color: var(--duna-muted); line-height: 1.6; }

.duna-back-link {
    display: flex; align-items: center; justify-content: center;
    gap: 6px; color: var(--duna-muted); text-decoration: none;
    font-size: 12px; letter-spacing: 0.04em;
    transition: color var(--duna-trans); margin-top: 4px;
}
.duna-back-link:hover { color: #fff; }

.duna-reset-message {
    display: flex; flex-direction: column;
    align-items: center; text-align: center; gap: 12px; padding: 8px 0;
}
.duna-reset-icon {
    width: 56px; height: 56px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 4px;
}
.duna-reset-icon--error {
    background: rgba(255,68,68,0.08);
    border: 1px solid rgba(255,68,68,0.2);
    color: #ff7070;
}
.duna-reset-icon svg { width: 26px; height: 26px; }
.duna-reset-message h2 {
    font-size: 18px; font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
}
.duna-reset-message p { font-size: 13px; color: var(--duna-muted); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   MOBILE — UX-first
═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {

    .duna-auth-wrap {
        height: 100vh;
        padding: 24px 20px;
        justify-content: center;
        overflow: hidden;
    }
    .duna-auth-logo { margin-bottom: 24px; }
    .duna-auth-logo img { max-height: 80px; }
    .duna-toggle-wrap { max-width: 100%; }

    .duna-field input[type="text"],
    .duna-field input[type="email"],
    .duna-field input[type="password"],
    .duna-field input[type="tel"] {
        font-size: 16px;
        padding: 14px 16px;
    }
    .duna-field-pw input { padding-right: 48px; }
    .duna-pw-toggle { right: 10px; padding: 8px; }
    .duna-pw-toggle svg { width: 20px; height: 20px; }
    .duna-fields-row { grid-template-columns: 1fr; gap: 16px; }
    .duna-btn--primary { padding: 16px 24px; font-size: 12px; }
    .duna-form-wrap { padding: 20px 16px; border-radius: 20px; }

    .duna-dash-header { padding: 14px 20px; }
    .duna-dash-header-divider,
    .duna-dash-welcome { display: none; }
    .duna-dash-logo img { max-height: 44px; }
    .duna-dash-user-info { display: none; }
    .duna-avatar { width: 38px; height: 38px; font-size: 13px; }
    .duna-dash-main { padding: 24px 16px 40px; justify-content: center; }
    .duna-payment-card { max-width: 100%; border-radius: 20px; }
    .duna-payment-card-inner { padding: 40px 24px; }
    .duna-payment-icon { margin-bottom: 16px; }
    .duna-payment-card-inner h2 { font-size: 18px; margin-bottom: 8px; }
    .duna-payment-card-inner p  { font-size: 13px; margin-bottom: 28px; }
    .duna-btn--payment { width: 100%; justify-content: center; padding: 18px 24px; font-size: 13px; }
    .duna-payment-trust { flex-wrap: wrap; justify-content: center; }
    .duna-logout-btn { padding: 10px; }
}

@media (max-width: 380px) {
    .duna-auth-logo img { max-height: 64px; }
    .duna-toggle-btn { font-size: 10px; padding: 10px; }
    .duna-payment-card-inner { padding: 32px 16px; }
}