:root{
  --color-primary:#2f6f4e;
  --color-primary-600:#2b6648;
  --color-primary-700:#24573d;
  --color-accent:#f26a2e;
  --color-error:#ef4444;
  --color-bg:#f5f7f6;
  --color-text:#1e293b;
  --space:8px;
  --radius:12px;
  --font-base:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}

/* Base */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:var(--font-base);background:var(--color-bg);color:var(--color-text);line-height:1.6}
.container{max-width:1100px;margin:40px auto;padding:0 16px}
.card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid #e2ece9;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.hero{background:linear-gradient(120deg,var(--color-primary),#3f8b63);color:#fff;padding:24px;border-radius:var(--radius);margin:16px 0}

/* Alerts */
.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;border:1px solid transparent;font-size:.95rem}
.alert.error{background:#fee2e2;border-color:#fecaca;color:#b91c1c}
.alert.success{background:#d1e7dd;border-color:#badbcc;color:#0f5132}

/* ===== Auth Pages ===== */
.auth-body{display:flex;align-items:center;justify-content:center;padding:20px}
.login-container{width:100%;max-width:420px}
.login-card{background:#fff;border-radius:12px;padding:32px;border:1px solid #e2e8f0;box-shadow:0 4px 16px rgba(0,0,0,0.06)}
.login-header{text-align:center;margin-bottom:24px}
.login-header h2{font-size:1.875rem;margin:0 0 6px 0;color:var(--color-text)}
.login-header p{color:#64748b;font-size:.95rem}

/* Floating inputs */
.form-group{margin-bottom:18px}
.input-wrapper{position:relative;display:flex;flex-direction:column}
.input-wrapper input{
  background:#fff;border:2px solid #e2e8f0;border-radius:10px;padding:25px 16px 10px 16px;
  color:var(--color-text);font-size:16px;transition:border-color .2s ease;width:100%;outline:none;
}
.input-wrapper input::placeholder{color:transparent}
.input-wrapper label{
  position:absolute;left:16px;top:12px;color:#64748b;font-size:16px;transition:all .2s ease;pointer-events:none;transform-origin:left top;
}
.input-wrapper input:focus{border-color:var(--color-primary)}
.input-wrapper input:focus+label,
.input-wrapper input.has-value+label{transform:translateY(-8px) scale(.875);color:var(--color-primary);font-weight:500}

/* Password toggle */
.password-wrapper{position:relative}
.password-wrapper input{padding-right:48px}
.password-toggle{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;padding:8px;color:#64748b;
}
.password-toggle:hover{color:#334155}
.eye-icon{display:block;width:20px;height:20px;background-size:contain;background-repeat:no-repeat;background-position:center}
.eye-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='1.5'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z'/%3e%3cpath stroke-linecap='round' stroke-linejoin='round' d='M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z'/%3e%3c/svg%3e")}
.eye-icon.show-password{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' stroke-width='1.5'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' d='M3.98 8.223A10.477 10.477 0 001.934 12C3.226 16.338 7.244 19.5 12 19.5c.993 0 1.953-.138 2.863-.395M6.228 6.228A10.45 10.45 0 0112 4.5c4.756 0 8.773 3.162 10.065 7.498a10.523 10.523 0 01-4.293 5.774M6.228 6.228L3 3m3.228 3.228l3.65 3.65m7.894 7.894L21 21m-3.228-3.228l-3.65-3.65m0 0a3 3 0 11-4.243-4.243m4.242 4.242L9.88 9.88'/%3e%3c/svg%3e")}

/* Options */
.form-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.remember-wrapper{display:flex;align-items:center;gap:8px;cursor:pointer}
.remember-wrapper input[type="checkbox"]{display:none}
.checkbox-label{color:#64748b;font-size:.9rem;display:flex;align-items:center;gap:8px;user-select:none}
.checkmark{width:16px;height:16px;border:2px solid #d1d5db;border-radius:4px;display:flex;align-items:center;justify-content:center;background:#fff;transition:all .2s}
.remember-wrapper input[type="checkbox"]:checked ~ .checkbox-label .checkmark{background:var(--color-primary);border-color:var(--color-primary)}
.remember-wrapper input[type="checkbox"]:checked ~ .checkbox-label .checkmark::after{content:"✓";color:#fff;font-size:10px;font-weight:700}

/* Buttons / links */
.login-btn{
  width:100%;background:var(--color-primary);border:none;border-radius:10px;
  padding:12px 24px;color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s,transform .05s;position:relative;margin-bottom:10px
}
.login-btn:hover{background:var(--color-primary-600)}
.login-btn:active{transform:translateY(1px)}
.login-btn.loading{pointer-events:none;opacity:.8}
.btn-text{transition:opacity .2s}
.btn-loader{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:16px;height:16px;border:2px solid transparent;border-top:2px solid #fff;border-radius:50%;
  opacity:0;animation:spin 1s linear infinite;transition:opacity .2s
}
.login-btn.loading .btn-text{opacity:0}
.login-btn.loading .btn-loader{opacity:1}

.signup-link{text-align:center}
.signup-link p{color:#64748b;font-size:.9rem}
.signup-link a{color:var(--color-primary);text-decoration:none;font-weight:600}
.signup-link a:hover{color:var(--color-primary-700)}

@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}100%{transform:translate(-50%,-50%) rotate(360deg)}}

/* Mobile */
@media (max-width:480px){
  .login-card{padding:24px;margin:10px}
  .login-header h2{font-size:1.5rem}
  .form-options{flex-direction:column;align-items:flex-start;gap:16px}
}