/* Solver.tr — Auth & Landing v2 */

body.solver-auth {
    margin: 0;
    min-height: 100vh;
    min-height: 100dvh;
    font-family: var(--v2-font, 'Plus Jakarta Sans', system-ui, sans-serif);
    color: var(--v2-text, #f4f4f8);
    background: var(--v2-bg, #0b0b10);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    position: relative;
    overflow-x: hidden;
}

.solver-auth .solver-bg { z-index: 0; }

.solver-auth-wrap {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 440px;
}

.solver-auth-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.solver-auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.solver-auth-card {
    background: rgba(14, 14, 22, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 24px;
    padding: 32px 28px;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03) inset,
        0 24px 64px rgba(0, 0, 0, 0.45);
}

.solver-auth-card--wide { max-width: 520px; }

.solver-auth-logo-mark {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.solver-auth-logo-mark .solver-auth-logo-img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 16px;
    filter: brightness(0) invert(1);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.08);
}

.solver-auth-head h1 {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.solver-auth-head p {
    margin: 8px 0 0;
    font-size: 0.9rem;
    color: var(--v2-text-muted, #9494a8);
    line-height: 1.5;
}

.solver-auth-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.solver-auth-feature {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(94, 234, 212, 0.1);
    border: 1px solid rgba(94, 234, 212, 0.2);
    color: var(--v2-accent, #5eead4);
}

.solver-auth-alert {
    display: none;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    margin-top: 20px;
    border-radius: 12px;
    font-size: 0.85rem;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: #fca5a5;
}

.solver-auth-alert.show,
.alert.show { display: flex; }

.solver-auth-alert.alert-success,
.alert.alert-success {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: #6ee7b7;
}

.solver-auth-alert.alert-danger,
.alert.alert-danger {
    background: rgba(248, 113, 113, 0.12);
    border-color: rgba(248, 113, 113, 0.35);
    color: #fca5a5;
}

.solver-auth-form { margin-top: 24px; }

.solver-auth-form .form-group { margin-bottom: 18px; }

.solver-auth-form .form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--v2-text-muted);
    margin-bottom: 8px;
}

.solver-auth-input-wrap {
    position: relative;
}

.solver-auth-input-wrap i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--v2-text-faint);
    font-size: 1.1rem;
    pointer-events: none;
}

.solver-auth-form .form-input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    color: var(--v2-text);
    font-family: inherit;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.solver-auth-form .form-input:focus {
    border-color: rgba(94, 234, 212, 0.45);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.1);
}

.solver-auth-form .input-hint {
    font-size: 0.72rem;
    color: var(--v2-text-faint);
    margin-top: 6px;
}

.solver-auth-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.solver-auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.solver-auth-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--v2-text-muted);
    margin-bottom: 20px;
}

.solver-auth-check input { display: none; }

.solver-auth-check-box {
    width: 20px;
    height: 20px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    transition: background 0.2s, border-color 0.2s;
}

.solver-auth-check input:checked + .solver-auth-check-box {
    background: var(--v2-accent);
    border-color: var(--v2-accent);
    color: #042f2e;
}

.solver-auth-check-box i { font-size: 0.75rem; opacity: 0; }
.solver-auth-check input:checked + .solver-auth-check-box i { opacity: 1; }

.solver-auth-link {
    color: var(--v2-accent);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
}

.solver-auth-link:hover { text-decoration: underline; }

.solver-auth-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    background: linear-gradient(135deg, #5eead4, #14b8a6);
    color: #042f2e;
    box-shadow: 0 8px 28px rgba(94, 234, 212, 0.3);
    transition: transform 0.15s, box-shadow 0.2s;
}

.solver-auth-submit:hover { box-shadow: 0 12px 36px rgba(94, 234, 212, 0.4); }
.solver-auth-submit:active { transform: scale(0.98); }
.solver-auth-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.solver-auth-foot {
    margin-top: 24px;
    text-align: center;
    font-size: 0.88rem;
    color: var(--v2-text-muted);
}

.solver-auth-foot a {
    color: var(--v2-accent);
    font-weight: 600;
    text-decoration: none;
}

.solver-auth-copy {
    margin-top: 32px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--v2-text-faint);
}

.password-strength {
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 99px;
    margin-top: 8px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0;
    border-radius: inherit;
    transition: width 0.3s, background 0.3s;
}

.password-strength-bar.weak { width: 33%; background: #f87171; }
.password-strength-bar.medium { width: 66%; background: #fbbf24; }
.password-strength-bar.strong { width: 100%; background: #34d399; }

/* Landing index */
body.solver-landing {
    justify-content: flex-start;
    padding: 0;
}

.solver-landing-hero {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: max(48px, env(safe-area-inset-top)) 24px 48px;
    text-align: center;
}

.solver-landing-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    text-decoration: none;
    color: inherit;
}

.solver-landing-hero h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.15;
    margin: 0 0 16px;
    background: linear-gradient(135deg, #fff, rgba(255,255,255,0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.solver-landing-hero p {
    font-size: 1.05rem;
    color: var(--v2-text-muted);
    line-height: 1.6;
    margin: 0 auto 32px;
    max-width: 540px;
}

.solver-landing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.solver-landing-actions .btn-v2 { min-width: 160px; padding: 14px 24px; }

.solver-landing-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.solver-landing-stat strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--v2-accent);
}

.solver-landing-stat span {
    font-size: 0.78rem;
    color: var(--v2-text-faint);
}

@media (max-width: 520px) {
    .solver-auth-row { grid-template-columns: 1fr; }
    .solver-auth-card { padding: 24px 20px; }
}