/* ============================================
   SIGNIN PAGE
   ============================================ */

@layer components {
    .signin-page {
        position: relative;
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-3xl);
        padding: var(--space-3xl) clamp(1rem, 4vw, 3rem);
        justify-content: center;
        align-items: center;
        min-block-size: calc(100dvb - 60px);
        overflow: hidden;
        --orb-1-size: 500px;
        --orb-2-size: 400px;
        --orb-2-left: -100px;

        .signin-info {
            position: relative;
            z-index: 1;
            flex: 1;
            min-inline-size: 280px;
            max-inline-size: 500px;
            display: flex;
            flex-direction: column;
            gap: var(--space-xl);
            animation: entrance-slide-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;

            h1 {
                font-family: var(--font-display);
                font-size: clamp(1.75rem, 4vw, 2.25rem);
                font-weight: 800;
                letter-spacing: 0.02em;
                text-transform: uppercase;
                line-height: 1.2;
            }

            .features {
                display: flex;
                flex-direction: column;
                gap: var(--space-lg);

                li {
                    display: flex;
                    gap: var(--wire-gap);
                    align-items: flex-start;
                    padding: var(--space-md);
                    border-radius: 12px;
                    transition: all 0.2s ease-out;

                    &:hover {
                        transform: translateX(4px);
                    }
                }

                .feature-icon {
                    flex-shrink: 0;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    inline-size: 44px;
                    block-size: 44px;
                    border-radius: 12px;
                    transition: all 0.25s ease-out;
                }

                strong {
                    display: block;
                    margin-block-end: var(--space-3xs);
                }

                p {
                    font-size: var(--fs-small);
                }
            }

            .stats {
                display: flex;
                flex-wrap: wrap;
                gap: var(--space-xl);

                li {
                    display: flex;
                    gap: var(--space-xs);
                    font-size: var(--fs-small);
                }

                .stat-value {
                    font-weight: var(--fw-bold);
                    font-family: var(--font-heading);
                }
            }
        }

        .signin-card {
            position: relative;
            z-index: 1;
            overflow: hidden;
            flex-shrink: 0;
            inline-size: 100%;
            max-inline-size: 380px;
            padding: var(--space-2xl);
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            gap: var(--space-lg);
            animation: entrance-slide-up 0.65s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;

            &::before {
                content: '';
                position: absolute;
                inset-block-start: 0;
                inset-inline: 0;
                block-size: 3px;
            }

            h2 {
                text-align: center;
                font-size: var(--fs-xl);
            }

            .subtitle {
                text-align: center;
                font-size: var(--fs-small);
            }

            .signin-form {
                display: flex;
                flex-direction: column;
                gap: var(--space-md);
            }

            .oauth-button {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: var(--space-sm);
                padding: var(--space-compact) var(--space-lg);
                border-radius: 100px;
                cursor: pointer;
                text-decoration: none;
                font-weight: var(--fw-medium);
                transition: all 0.25s ease-out;

                svg:first-child {
                    flex-shrink: 0;
                }

                .btn-arrow {
                    margin-inline-start: auto;
                    opacity: 0;
                    transform: translateX(-4px);
                    transition: all 0.25s ease-out;
                }

                &:hover .btn-arrow {
                    opacity: 1;
                    transform: translateX(0);
                }

                &:hover {
                    transform: translateY(-2px);
                }
            }

            .terms-text {
                text-align: center;
                font-size: var(--fs-xsmall);
            }
        }
    }
}

/* --- THEME --- */
@layer theme {
    .signin-page {
        .page-bg-orb {
            opacity: 0.15;
        }

        .page-bg-orb--1 {
            background: oklch(55% 0.2 270);
        }

        .page-bg-orb--2 {
            background: oklch(65% 0.2 25);
        }

        .signin-info {
            .tagline {
                color: var(--text-secondary);
            }

            .features li {
                background: light-dark(oklch(100% 0 0 / 0.7), oklch(100% 0 0 / 0.04));
                border: 1px solid light-dark(oklch(0% 0 0 / 0.06), oklch(100% 0 0 / 0.08));
                backdrop-filter: blur(8px);
                box-shadow: 0 2px 8px light-dark(oklch(0% 0 0 / 0.04), oklch(0% 0 0 / 0));

                &:hover {
                    border-color: oklch(from var(--accent-primary) l c h / 0.3);
                    background: oklch(from var(--glass-tint) l c h / 0.06);
                }

                p {
                    color: var(--text-secondary);
                }
            }

            .feature-icon {
                background: linear-gradient(135deg,
                    light-dark(oklch(from var(--accent-primary) l c h / 0.15), oklch(from var(--accent-primary) l c h / 0.25)),
                    light-dark(oklch(from var(--accent-warm) l c h / 0.08), oklch(from var(--accent-warm) l c h / 0.15)));
                border: 1px solid light-dark(oklch(from var(--accent-primary) l c h / 0.2), oklch(from var(--accent-primary) l c h / 0.35));
                color: var(--accent-primary);
                box-shadow: 0 4px 16px light-dark(oklch(from var(--accent-primary) l c h / 0.08), oklch(from var(--accent-primary) l c h / 0.15));
            }

            .stats li {
                color: var(--text-secondary);
            }
        }

        .signin-card {
            background: light-dark(oklch(100% 0 0 / 0.8), oklch(100% 0 0 / 0.04));
            border: 1px solid light-dark(oklch(0% 0 0 / 0.06), oklch(100% 0 0 / 0.08));
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 32px light-dark(oklch(0% 0 0 / 0.08), oklch(0% 0 0 / 0.2));

            &::before {
                background: linear-gradient(90deg, var(--accent-primary), var(--accent-warm));
            }

            .subtitle {
                color: var(--text-secondary);
            }

            .oauth-button {
                background: light-dark(oklch(0% 0 0 / 0.03), oklch(100% 0 0 / 0.06));
                border: 1px solid light-dark(oklch(0% 0 0 / 0.08), oklch(100% 0 0 / 0.1));
                color: var(--text-primary);

                &:hover {
                    background: light-dark(oklch(0% 0 0 / 0.05), oklch(100% 0 0 / 0.1));
                    border-color: light-dark(oklch(0% 0 0 / 0.12), oklch(100% 0 0 / 0.2));
                    box-shadow: 0 4px 16px light-dark(oklch(0% 0 0 / 0.08), oklch(0% 0 0 / 0.15));
                }
            }

            .google-button:hover {
                border-color: oklch(62% 0.16 260 / 0.4);
            }

            .microsoft-button:hover {
                border-color: oklch(65% 0.18 230 / 0.4);
            }

            .terms-text {
                color: var(--text-secondary);

                a {
                    color: var(--accent-primary);
                }
            }
        }
    }
}