:root {
    --primary: #ffffff;
    --text: #ffffff;
    --text-dark: #1a1a1f;
    --accent: #ff6f3c;
    --accent-light: rgba(255, 111, 60, 0.2);
    --accent-2: #3a7bd5;
    --accent-3: #7f56d9;
    --panel: rgba(255, 255, 255, 0.78);
    --bg-light: #eef2ff;
    --border: rgba(26, 26, 31, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: "Outfit", "Segoe UI", sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background:
        radial-gradient(circle at 20% 0%, rgba(255, 111, 60, 0.2), transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(58, 123, 213, 0.18), transparent 55%),
        linear-gradient(180deg, #f7f8ff 0%, #eef6ff 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(238, 242, 255, 0.9);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 8px rgba(26, 26, 31, 0.08);
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.header-logo {
    height: 40px;
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-small {
    padding: 10px 24px;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #ff9b72);
    color: #1a1a1f;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(255, 111, 60, 0.3);
}

.btn-secondary {
    background: var(--panel);
    color: var(--text-dark);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: rgba(26, 26, 31, 0.18);
    transform: translateY(-2px);
}

/* Main Content */
.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.login-card {
    background: var(--panel);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 40px rgba(26, 26, 31, 0.12);
}

.login-brand {
    text-align: center;
    margin-bottom: 32px;
}

.login-brand h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.login-brand p {
    color: #64748b;
    font-size: 15px;
}

/* Toast / Error */
.login-toast {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 24px;
    display: none;
}

.login-toast:not(:empty) {
    display: block;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.login-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.login-input {
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 16px;
    background: #ffffff;
    transition: all 0.3s ease;
    outline: none;
}

.login-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.login-input::placeholder {
    color: #94a3b8;
}

.login-error-inline {
    color: #dc2626;
    font-size: 13px;
    min-height: 18px;
}

.login-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.login-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #475569;
    cursor: pointer;
}

.login-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.login-link {
    color: var(--accent-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-link:hover {
    color: var(--accent);
}

.login-submit {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent), #ff9b72);
    color: var(--text-dark);
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(255, 111, 60, 0.3);
}

.login-submit--ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: #64748b;
    box-shadow: none;
}

.login-submit--ghost:hover {
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: none;
}

/* External Providers */
.login-providers {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.login-providers-title {
    text-align: center;
    color: #64748b;
    font-size: 14px;
    margin-bottom: 16px;
}

.login-providers-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.login-provider {
    padding: 14px 20px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.login-provider:hover {
    border-color: var(--accent);
    background: #fffaf8;
    transform: translateY(-1px);
}

/* Footer Link */
.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: #64748b;
}

.login-footer a {
    color: var(--accent-2);
    text-decoration: none;
    font-weight: 600;
    margin-left: 6px;
}

.login-footer a:hover {
    color: var(--accent);
}

/* Auth Overlay */
.login-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 26, 31, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.login-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.login-overlay-card {
    background: var(--panel);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(26, 26, 31, 0.2);
}

.login-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

.login-overlay-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.login-overlay-subtitle {
    font-size: 14px;
    color: #64748b;
}

/* Page Footer */
.page-footer {
    background: var(--text-dark);
    padding: 20px;
}

.page-footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.page-footer-links {
    display: flex;
    gap: 16px;
    align-items: center;
}

.page-footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.page-footer-links a:hover {
    color: var(--accent);
}

.page-footer-dot {
    color: rgba(255, 255, 255, 0.3);
}

.page-footer-language {
    display: flex;
    align-items: center;
}

.page-footer-language select {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
}

.page-footer-language select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 12px 16px;
    }

    .header-logo {
        height: 32px;
    }

    .login-card {
        padding: 32px 24px;
        border-radius: 20px;
    }

    .login-brand h1 {
        font-size: 24px;
    }

    .login-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .login-main {
        padding: 24px 16px;
    }

    .login-card {
        padding: 28px 20px;
    }

    .login-brand h1 {
        font-size: 22px;
    }

    .login-input {
        padding: 12px 14px;
    }

    .login-submit {
        padding: 14px 24px;
    }
}